The various types of hydrides and examples of each type are given below. Hydride type Compound (A) Electron deficient (i) $$LiH$$ (B) Saline (ii) $$CH_{4}$$ (C) Electrons-precise (iii) $$NH_{3}$$ (D) Interstitial (iv) $$B_{2}H_{6}$$ (E) Electron rich (v) $$CrH$$ Choose the correct matching from the codes given below.

$$(A) - (iv), (B) - (i), (C) - (ii), (D) - (v), (E) - (iii)$$

$$(A) - (ii), (B) - (iv), (C) - (v), (D) - (iii), (E) - (i)$$

$$(A) - (iv), (B) - (iii), (C) - (v), (D) - (ii), (E) - (i)$$

$$(A) - (v), (B) - (iii), (C) - (iv), (D) - (ii), (E) - (i)$$

$$(A) - (iv), (B) - (v), (C) - (i), (D) - (ii), (E) - (iii)$$

Match the reactions of column I with their types given in column II and mark the appropriate choice. Column I Column II A $$H_{2}O + NH_{3} \rightleftharpoons NH^{+}_{4} + OH$$ i Self ionisation of $$H_{2}O$$ B $$FeCl_{3} + 3H_{2}O \rightarrow Fe (OH)_{3} + 3HCl $$ ii Decomposition C $$H_{2}O + H_{2}O \rightleftharpoons H_{3}O^{+} + OH$$ iii Acidic nature of $$H_{2}O$$ D $$2H_{2}O \rightarrow 2H_{2} + O_{2}$$ iv Hydrolysis

(A)$$\rightarrow$$ (iii), (B)$$ \rightarrow $$(iv), (C)$$\rightarrow$$ (i), (D)$$\rightarrow $$(ii)

(A)$$\rightarrow $$(ii), (B) $$\rightarrow $$(i), (C)$$\rightarrow $$(iii), (D)$$\rightarrow$$ (iv)

(A)$$\rightarrow $$(iii), (B)$$ \rightarrow $$(ii), (C)$$\rightarrow$$ (iv), (D)$$\rightarrow $$(i)

(A)$$\rightarrow$$ (i), (B) $$\rightarrow$$ (ii), (C)$$\rightarrow $$(iv), (D)$$\rightarrow$$ (iii)

Match the column I with column II and mark the appropriate choice. column I column II A NaH i Interstitial hydride B $$CH_{4}$$ ii Molecular hydride C $$VH_{0.56}$$ iii Ionic hydride D $$B_{2}H_{6}$$ iv Electron-deficient hydride

$$(A)\rightarrow (iii), (B)\rightarrow (ii), (C)\rightarrow (i) (D)\rightarrow (iv)$$

$$(A)\rightarrow (iii), (B)\rightarrow (iv), (C)\rightarrow (ii) (D)\rightarrow (i)$$

$$(A)\rightarrow (ii), (B)\rightarrow (iv), (C)\rightarrow (iii) (D)\rightarrow (i)$$

$$(A)\rightarrow (i), (B)\rightarrow (ii), (C)\rightarrow (iv) (D)\rightarrow (iii)$$

MCQ Questions for Class 11 Medical Chemistry Hydrogen Quiz 11

In transforming $$0.01\ mole$$ of $$PbS$$ to $$PbSO_{4}$$, the volume of $$10$$ volume $$H_{2}O_{2}$$ required will be:

0%
$$11.2\ mL$$
0%
$$22.4\ mL$$
0%
$$33.6\ mL$$
0%
$$44.8\ mL$$

Why is water a bent molecule and not linear?

0%
Water has four electron domains repelling each other, causing the molecule to be bent.
0%
There are not enough electrons involved for the molecule to be linear.
0%
Because the oxygen in water can only make bent molecules.
0%
The molecule alternates in between a bent geometry and a linear geometry.

Hydorgen forms binary compounds called hydrides with several elements in the periodic table.Regarding these hydrides the wrong statement:

0%
Among lanthanoids, europioum and ytterbium form ionic hydrides.
0%
The density of ionic hydrides is less, while the density of interstitial hydrides is more than the metals from which they are formed.
0%
The rate of reaction of alkali metals towards hydrogen decreases from lithium to caesium
0%
Hydrogen gas can be purified by the phenomenon of occlusion of hydrogen by palladium metal.

Which of the following hydrolysis reaction is incorrect at moderate temperature?

0%
$$4BF_{3} + 3H_{2}O \rightarrow H_{3}BO_{3} + 3HBF_{4}$$
0%
$$2NF_{3} + 3H_{2}O\rightarrow N_{2}O_{3} + 6HF$$
0%
$$NCl_{3} + 3H_{2}O\rightarrow NH_{3} + HOCl$$
0%
$$BiCl_{3} + H_{2}O\rightarrow BiOCl\downarrow + 2HCl$$

What is the reaction given below, called?
$$H_{2}O_{(l)} + H_{2}O_{(l)} \rightleftharpoons H_{3}O^{+}_{(aq)} + OH^{-}_{(aq)}$$

0%
Hydrolysis of water
0%
Hydration of water
0%
Disproportionate of water
0%
Auto-protolysis of water

What willl be the mass of oxygen liberated by decomposition of 200 mL hydrogen peroxide solution with a strength of 34 g per litre?

0%
25.5g
0%
3.0g
0%
3.2g
0%
4.2g

The various types of hydrides and examples of each type are given below.

	Hydride type		Compound
(A)	Electron deficient	(i)	$$LiH$$
(B)	Saline	(ii)	$$CH_{4}$$
(C)	Electrons-precise	(iii)	$$NH_{3}$$
(D)	Interstitial	(iv)	$$B_{2}H_{6}$$
(E)	Electron rich	(v)	$$CrH$$

Choose the correct matching from the codes given below.

0%
$$(A) - (ii), (B) - (iv), (C) - (v), (D) - (iii), (E) - (i)$$
0%
$$(A) - (iv), (B) - (i), (C) - (ii), (D) - (v), (E) - (iii)$$
0%
$$(A) - (iv), (B) - (iii), (C) - (v), (D) - (ii), (E) - (i)$$
0%
$$(A) - (v), (B) - (iii), (C) - (iv), (D) - (ii), (E) - (i)$$
0%
$$(A) - (iv), (B) - (v), (C) - (i), (D) - (ii), (E) - (iii)$$

The standard potential of the reaction: $$H_2O+e^-\rightarrow\dfrac{1}{2}H_2+OH^-$$ at 298 K by using $$ K_w(H_2 O)=10^{-14}$$.

0%
-0.828 V
0%
0.828 V
0%
2.0 V
0%
-0.5 V

Hydrogen gas is obtained from:

0%
petroleum
0%
coal
0%
coke
0%
natural gas

Ionic hydride reacts with water to give:

0%
hydride ions
0%
acidic solution
0%
protons
0%
basic solution

Which of the following is laboratory preparation of dihydrogen?

0%
$$3Fe + 4H_{2} O (steam) \rightarrow Fe_{3} O_{4} + 4H_{2}$$
0%
$$2Na + 2H_{2}O \rightarrow 2NaOH + H_{2}$$
0%
$$CaH_{2} + 2H_{2}O\rightarrow Ca(OH)_{2} + 2H_{2}$$
0%
$$Zn + H_{2}SO_{4} (dil.) \rightarrow ZnSO_{4} + H_{2}$$

$$H_{2}$$ gas is liberated at cathode and anode both by electrolysis of the given aq. solution except:

0%
$$NaH$$
0%
$$HCOONa$$
0%
$$CaH_{2}$$
0%
$$LiH$$

Which of the following is most soluble in water?

0%
$${ CsClO }_{ 4 }$$
0%
$${ NaClO }_{ 4 }$$
0%
$${ KClO }_{ 4 }$$
0%
$${ LiClO }_{ 4 }$$

The order of reactivity of halogens towards hydrogen is:

0%
$$F_{2} > Cl_{2} > Br_{2} > I_{2}$$
0%
$$I_{2} > Br_{2} > Cl_{2} > F_{2}$$
0%
$$Cl_{2} > Br_{2} > I_{2} > F_{2}$$
0%
$$Br_{2} > Cl_{2} > F_{2} > I_{2}$$

Which of the following statements regarding hydrides iis not correct?

0%
Ionic hydrides are crystalline, non-volatile and non-conducting in solid state
0%
Electron-deficient hydrides act as Lewis acids or electron acceptors
0%
Elements of group$$-13$$ form electron-deficient hydride
0%
Elements of group $$15-17$$ form electron-precise hydrides

Which of the following ions forms a hydroxide that is highly soluble in water?

0%
$$K^{+}$$
0%
$$Zn^{2+}$$
0%
$$Ni^{2+}$$
0%
$$Al^{3+}$$

The production of dihydrogen obtained from coal gasification can be increased by reacting carbon monoxide of syngas mixture with steam in presence of a catalyst iron-chromium. What is this process called?

0%
Hydrogen reaction
0%
Water-gas shift reaction
0%
Coal-gas shift reaction
0%
Syn gasification

Hydrogen peroxide oxidises $$[Fe(CN)_6]^{4-}$$ to $$[Fe(CN)_6]^{3-}$$ in acidic medium but reduce $$[Fe(CN)_6]^{3-}$$ to $$[Fe(CN)_6]^{4-}$$ in alkaline medium. The other products formed are, respectively:

0%
$$H_2O$$ and $$(H_2O + O_2)$$
0%
$$H_2O $$ and $$(H_2O + OH^-)$$
0%
$$(H_2O + O_2)$$ and $$H_2O$$
0%
$$(H_2O + O_2)$$ and $$(H_2O + OH^-)$$

Given below are two reaction of water with sodium and carbon dioxide, what is the nature of water in these reaction?
(i)$$2Na+2H_2O\rightarrow 2NaOH +H_2$$
(ii)$$6CO_2+12H_2O\rightarrow C_6H_12_6+6H_2O+6O_2$$

0%
In (ii) water acts as an oxidising agent and in (i) it acts as a reducing agent
0%
In (i) water acts as an oxidising agent and in (ii) it acts as a reducing agent
0%
In both (i) and (ii) hydrogen acts as a reducing agent
0%
In both (i) and (ii) hydrogen acts as an oxidizing agent

Which of the following is not a process of preparation of hydrogen peroxide?

0%
Auto-oxidation of 2-ethylanthraquinol.
0%
By passing oxygen through boiling water
0%
By oxidation of isopropyl alcohol
0%
By reaction of barium peroxide with dil. $$H_2SO_4$$

Study the following reactions and mark the correct properties shown by water :
(i) $$SO_{3} + H_{2}O \rightarrow H_{2}SO_{4}$$
(ii) $$Cl_{2}O_{7} + H_{2}O \rightarrow 2HClO_{4}$$
(iii)$$Na_{2}O + H_{2}O \rightarrow 2NaOH $$
(iv)$$CaO + H_{2}O \rightarrow Ca (OH)_{2}$$

0%
All oxides react with water to give hydroxides
0%
Acidic oxides are formed by metals and basic oxides by non-metals
0%
Non-metal oxides combine with water to form acids while metallic oxides combine with water to form alkalies
0%
Acidic oxides are stronger than basic oxides since they form strong acids

Match the reactions of column I with their types given in column II and mark the appropriate choice.

	Column I		Column II
A	$$H_{2}O + NH_{3} \rightleftharpoons NH^{+}_{4} + OH$$	i	Self ionisation of $$H_{2}O$$
B	$$FeCl_{3} + 3H_{2}O \rightarrow Fe (OH)_{3} + 3HCl $$	ii	Decomposition
C	$$H_{2}O + H_{2}O \rightleftharpoons H_{3}O^{+} + OH$$	iii	Acidic nature of $$H_{2}O$$
D	$$2H_{2}O \rightarrow 2H_{2} + O_{2}$$	iv	Hydrolysis

0%
(A)$$\rightarrow $$(ii), (B) $$\rightarrow $$(i), (C)$$\rightarrow $$(iii), (D)$$\rightarrow$$ (iv)
0%
(A)$$\rightarrow $$(iii), (B)$$ \rightarrow $$(ii), (C)$$\rightarrow$$ (iv), (D)$$\rightarrow $$(i)
0%
(A)$$\rightarrow$$ (i), (B) $$\rightarrow$$ (ii), (C)$$\rightarrow $$(iv), (D)$$\rightarrow$$ (iii)
0%
(A)$$\rightarrow$$ (iii), (B)$$ \rightarrow $$(iv), (C)$$\rightarrow$$ (i), (D)$$\rightarrow $$(ii)

Which of the following reagents cannot be used for the preparation of hydrogen peroxide?

0%
Sodium peroxide
0%
2- Ethylanthraquinol
0%
Sodium thiosulphate
0%
Barium Peroxide

A commercial sample of hydrogen peroxide is labelled as $$10$$ volume. Its percentage strength is nearly ?

0%
$$3\%$$
0%
$$1\%$$
0%
$$90\%$$
0%
$$10\%$$

Match the column I with column II and mark the appropriate choice.

	column I		column II
A	NaH	i	Interstitial hydride
B	$$CH_{4}$$	ii	Molecular hydride
C	$$VH_{0.56}$$	iii	Ionic hydride
D	$$B_{2}H_{6}$$	iv	Electron-deficient hydride

0%
$$(A)\rightarrow (iii), (B)\rightarrow (iv), (C)\rightarrow (ii) (D)\rightarrow (i)$$
0%
$$(A)\rightarrow (ii), (B)\rightarrow (iv), (C)\rightarrow (iii) (D)\rightarrow (i)$$
0%
$$(A)\rightarrow (i), (B)\rightarrow (ii), (C)\rightarrow (iv) (D)\rightarrow (iii)$$
0%
$$(A)\rightarrow (iii), (B)\rightarrow (ii), (C)\rightarrow (i) (D)\rightarrow (iv)$$

Water plays a key role in the biosphere, It is due to certain properties of $$H_2O$$ as compared to other liquids. These are except:

0%
higer specific heat
0%
lesser thermal conductivity
0%
high dielectric constant
0%
high surface tension

Which of the following represents the chemical equation involved in the preparation of $$H_2O_2$$ from barium peroxide?

0%
$$BaO_2.8H_2O+H_2SO_4\rightarrow BaSO_4+H_2O_2+8H_2O$$
0%
$$CH_3CHOHCH_3\rightarrow CH_3COOCH_3+H_2O_2$$
0%
$$BaO_2+CO_2+H_2O\rightarrow BaCO_3+H_2O_2$$
0%
$$Ba_3(PO_4)_2+3H_2SO_4\rightarrow 3BaSO_4+2H_3PO_4$$

What will be the strength of 20 vol of $$H_2O_2$$ in terms of gram per litre?

0%
$$60.71g L^{-1}$$
0%
$$5.6g L^{-1}$$
0%
$$30.62g L^{-1}$$
0%
$$17g L^{-1}$$

$$ 5.0 cm^3 of H_2O_2 $$ liberates 0.508 g of iodine from an acidified KI solution. The strength of $$H_2O_2$$ solution in terms of volume strength at STP is:

0%
6.48 volumes
0%
4.48 volumes
0%
7.68 volumes
0%
none of these

Metal hydrides are ionic, covalent or molecular in nature. Among $$LiH,\ NaH,\ KH,\ RbH$$ and $$ CsH$$, the correct order of increasing ionic character is:

0%
$$LiH > NaH > CsH > KH > RbH$$
0%
$$LiH < NaH < KH < RbH < CsH$$
0%
$$RbH > CsH > NaH > KH > LiH$$
0%
$$NaH > CsH > RbH > LiH > KH$$

Two structure of $$H_2O_2$$are drawn below. Identify the phase $$(X)$$ and $$(Y)$$ of $$H_2O_2$$.

0%
$$(X)$$ is the structure of $$H_2O_2$$ in gas phase and $$(Y)$$ in solid phase
0%
$$(X)$$ is structure of $$H_2O_2$$ in solid phase and $$(Y)$$ in gas phase
0%
$$(X)$$ and $$(Y)$$ are structures of $$H_2O_2$$ in gas phase
0%
$$(X)$$ and $$(Y)$$ are structures of $$H_2O_2$$ in solid phase

When $$ NaBH_{4} $$ is dissolves in water

0%
It decomposes with the evolution of $$ H_{2} $$
0%
$$ Na^{+} $$ and $$ BH^{-}_{4} $$ are formed which are stable
0%
$$ BH^{-}_{4} $$ ions formed initially decompose to produce $$ OH^{-} $$ ions, which prevent future decomposition
0%
$$NaH$$ and $$ B_{2}H_{6} $$ are produced

Which of the following reactions increases production of dihydrogen from synthesis gas?

0%
$$CH_4(g) + H_2O(g) \xrightarrow[Ni]{1270K} CO(g) + 3H_2(g$$)
0%
$$C(s) + H_2O(g) \overset{1270K}{\rightarrow} CO(g) + H_2(g)$$
0%
$$CO(g) + H_2O(g) \xrightarrow[Catalyst]{673 K} CO_2(g) + H_2(g)$$
0%
None of the above

Which of the following information is true for structure of $$H_2O_2$$ in solid phase?

Strength of 10 volume hydrogen peroxide solution is:

0%
$$30.35\ g\ L^{-1}$$
0%
$$17\ g\ L^{-1}$$
0%
$$34\ g\ L^{-1}$$
0%
$$68\ g\ L^{-1}$$

HOTS
The various types of hydrides and examples of each type are given below :
Hydride type Compound
A Electron deficient i LiH
B Saline ii $$CH_{4}$$
C Electron-precise iii $$NH_{3}$$
D Interstitial iv $$B_{2}H_{6}$$
E Electron rich v CrH
Choose the correct matching from the code given below :

0%
(A)- (ii), (B) - (iv), (C) - (v), (D) - (iii), (E) - (i)
0%
(A)- (iv), (B) - (i), (C) - (ii), (D) - (v), (E) - (iii)
0%
(A)- (iv), (B) - (iii), (C) - (v), (D) - (ii), (E) - (i)
0%
(A)- (v), (B) - (iii), (C) - i(v), (D) - (ii), (E) - (i)

Match list I with list II. Choose the correct matching codes from the choices given.
List I List II
(Hydride) (Type of hydride)
A. $$BeH_{2}$$ 1. Complex
B.. $$AsH_{3}$$ Lewis acid
C. $$B_{2}H_{6}$$ Interstitial
D. $$LaH_{3}$$ Covalent
E. $$LiAlH_{4}$$ Intermediate

0%
A-6, B-2, C-4, D-5, E-1
0%
A-6, B-2, C-4, D-3, E-1
0%
A-6, B-4, C-2, D-3, E-15
0%
A-5, B-4, C-2, D-3, E-1

The enthalpy change on freezing of 1 mol of water at $$5^oC$$ to ice at $$-5^oC$$ is:

$$[{ Given:\quad \triangle }_{ fus }H=6kJ{ mol }^{ -1 }at\ 0^oC,\ { C }_{ p }\left( { H }_{ 2 }O,l \right) =75.3J{ mol }^{ -1 }{ K }^{ -1 },{ C }_{ p }\left( { H }_{ 2 }O,s \right)$$$$=36.8J{ mol }^{ -1 }{ K }^{ -1 }]$$

0%
$$-6.56kJ{ mol }^{ -1 }$$
0%
$$-5.81kJ{ mol }^{ -1 }$$
0%
$$-6.00kJ{ mol }^{ -1 }$$
0%
$$-5.44kJ{ mol }^{ -1 }$$

Which of the following will give $${H}_{2}$$ gas with dilute $${HNO}_{3}$$?

0%
$$Mg$$
0%
$$Zn$$
0%
$$Cu$$
0%
$$Hg$$

Hydrogen peroxide is obtained by the electrolysis of:

0%
water
0%
sulphuric acid
0%
hydrochloric acid
0%
fused sodium peroxide

Industrially, $${ H }_{ 2 }{ O }_{ 2 }$$ is obtained by the following cyclic process :
$$\begin{matrix} 2-Ethylanthraquinol \\ (P) \end{matrix}\overset { { O }_{ 2 } }{ \underset { { H }_{ 2 }/Pd }{ \rightleftharpoons } } \begin{matrix} 2-Ethylanthraquinone \\ (Q) \end{matrix}+{ H }_{ 2 }{ O }_{ 2 }$$
Which one of the following properties is wrong about the mixture of organic solvents in which the reaction is carried out?

0%
It must resist oxidation.
0%
It must be miscible with water.
0%
It must dissolve both (P) and (Q).
0%
It is generally a mixture of ester and hydrocarbon.

Volume strength of $$500ml$$ solution containing $$3.4gm$$ of $${H_2}{O_2}$$ is

0%
$$11.2$$
0%
$$6.8$$
0%
$$1.12$$
0%
$$2.24$$

A commercial sample of $${H_2}{O_2}$$ marked as 100 volume hydrogen peroxide, it means that

0%
$${\rm{1}}\,\,{\rm{mL}}\,{\rm{of}}\,{{\rm{H}}_{\rm{2}}}{{\rm{O}}_{\rm{2}}}\,{\rm{give}}\,{\rm{100}}\,{\rm{mL}}\ {{\rm{O}}_{\rm{2}}}\,{\rm{at}}\,{\rm{STP}}$$
0%
$${\rm{1}}\,\,{\rm{L}}\,{\rm{of}}\,{{\rm{H}}_{\rm{2}}}{{\rm{O}}_{\rm{2}}}\,{\rm{will}}\,{\rm{give}}\,{\rm{100}}\,{\rm{mL}}\ {{\rm{O}}_{\rm{2}}}\,{\rm{at}}\,{\rm{STP}}$$
0%
$${\rm{1}}\,\,{\rm{L}}\,{\rm{of}}\,{{\rm{H}}_{\rm{2}}}{{\rm{O}}_{\rm{2}}}\,{\rm{will}}\,{\rm{give}}\,\ {\rm{22}}{\rm{.4L}}\,{\rm{}}\ {{\rm{O}}_{\rm{2}}}\,{\rm{at}}\,{\rm{STP}}$$
0%
None of these

$$H_2O_2$$ can be estimated by

0%
Titration with acidified $$K_2Cr_2O_7$$
0%
Titration with $$NaOH$$ solution
0%
Titration with acidified $$KMnO_4$$ solution
0%
Titration with $$Na_2CO_3$$ solution

Which one of the following metals cannot evolve $$H_{2}$$ from acids or $$H_{2}O$$ or from its compounds?

0%
Hg
0%
Al
0%
Pb
0%
Fe

When barium chloride solution is added to sodium sulphate solution, a white precipitate is formed. The white precipitate is:

0%
Barium chloride
0%
Sodium sulphate
0%
Barium sulphate
0%
Sodium chloride

Hydrogen does not combine with ______.

0%
Sb
0%
Na
0%
He
0%
Zn

Enthalpy of vapourisation for water is $$186.5kJ$$ $${mol}^{-1}$$. The entropy change during vapourisation is _____ $$kJ{K}^{-1}{mol}^{-1}$$

0%
$$0.5$$
0%
$$1.0$$
0%
$$1.5$$
0%
$$2.0$$

Which is correct order of BP of VA , VIA and VIIA hydrides:

0%
$$SbH_3 > NH_3 > AsH_3 > PH_3$$
0%
$$H_2 O > H_2 Te > H_2Se > H_2S$$
0%
$$HF > HI > HBr > HCl$$
0%
All correcct

Industrially $$H_2O_2$$ is produced

0%
By oxidation of 2 ethyl anthraquinone in and cyclic process
0%
By partial oxidation of propane2 ol
0%
Both
0%
None

CBSE Questions for Class 11 Medical Chemistry Hydrogen Quiz 11 - MCQExams.com

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Practice Class 11 Medical Chemistry Quiz Questions and Answers

CBSE Questions for Class 11 Medical Chemistry Hydrogen Quiz 11 - MCQExams.com

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Practice Class 11 Medical Chemistry Quiz Questions and Answers

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