The compound A forms B with sodium metal and again A forms C with PCl 5 , but B and C form diethyl ether. Thus A, B and C are:

C 2 H 5 OH, C 2 H 5 ONa , C 2 H 5 Cl

C 2 H 5 OH, C 2 H 5 Cl, C 2 H 5 ONa

C 2 H 5 OH, C 2 H 5 Cl, C 2 H 4 Cl 2

C 2 H 5 OH, C 2 H 5 Cl, C 2 H 5 ONa

Chemistry - Haloalkanes Haloarenes - Quiz-4

$\overset{Moist {Ag}_{2} O}{\to}$ (A) product

Major product (A) is:

$\overset{KCN}{\to}$ Product of reaction is:

(MOM chloride)

(Methoxy methyl chloride)

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0%
0%

$M e - O - C H_{2} - C H_{2} - C N$
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$C N - C H_{2} - C N$

Alkyl halides can be obtained by all methods except:

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${CH}_{3} {CH}_{2} OH + HCl / {ZnCl}_{2} \overset{}{\to}$
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${CH}_{3} - {CH}_{2} - {CH}_{3} - {CH}_{2} \overset{{Cl}_{2} / UV light}{\to}$
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$C_{2} H_{5} OH + NaCl \overset{}{\to}$
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${CH}_{3} COOAg + {Br}_{2} / {CCl}_{4} \overset{}{\to}$

In order to prepare 1-chloropropane, which of the following reactants can be employed?

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Propane and HCl in the presence of peroxide
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Propene and Cl₂ followed by treatment with aq. KOH
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Propanol-1 and SOCl₂/pyridine
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Any of the above can be used

Which of the following molecules would have a carbon-halogen bond most susceptible to nucleophilic substitution ?

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2-Fluorobutane
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2-Chlorobutane
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2-Bromobutane
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2-Iodobutane

When benzyl chloride is treated with ethanolic KCN, the major product formed is:-

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benzyl ethyl ether
0%

benzyl alcohol
0%

benzyl cyanide
0%

benzyl isocyanide

Grignard reagent shows addition on:

0%

>C=O
0%

-C $\equiv$ N
0%

>C=S
0%

all of these

Pick up the correct statement about alkyl halides:-

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They show H-bonding.
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They are soluble in water.
0%

They are soluble in organic solvents.
0%

They do not contain any polar bond.

Chlorination of CS₂ gives:

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CCl₄
0%

CS₂Cl₂
0%

CH₄
0%

CHCl₃

Sodium ethoxide reacts with ethyl iodide to yield:

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CH₃CH₃
0%

C₂H₅OCH₃
0%

C₂H₅OC₂H₅
0%

none of these

Which set of reagents will produce freon (CCl₂F₂)?

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C + F₂ + Cl₂ $\to$
0%

CH₃Cl + F₂ $\to$
0%

CCl₄ + HF $\overset{{SbCl}_{5}}{\to}$
0%

CCl₄ + F₂ $\to$

Chloroform is kept in dark-colored bottles because:-

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It is inflammable
0%

It gives a peroxide
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It undergoes rapid chlorination
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It is oxidized to poisonous phosgene

Which statement is correct ?

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C₂H₅Br reacts with alcoholic KOH to form C₂H₅OH
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C₂H₅Br when treated with metallic sodium gives ethane
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C₂H₅Br when treated with sodium ethoxide forms diethyl ether
0%

C₂H₅Br with AgCN forms ethyl cyanide

CH₃NH₂ reacts with CH₃MgX to give:

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ethane
0%

acetone
0%

alcohol
0%

methane

Ethylidine dichloride (CH3CHCl2) can be prepared by the addition of hydrogen chloride on:

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C₂H₆
0%

C₂H₄
0%

C₂H₂
0%

all of these

The reactivity order of alkyl halides depends upon:

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Nature of alkyl group only
0%

Nature of halogen atom only
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Nature of both alkyl group and a halogen atom
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None of the above

An alkyl iodide on standing darkens, due to:

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hydrolysis
0%

conversion into ether
0%

liberation of iodine
0%

formation of alkanes

The given reaction is an example of,

C₂H₅Br + aqu. KCN → C₂H₅CN + KBr

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Elimination
0%

Nucleophilic substitution
0%

Electrophilic substitution
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Redox change

In the following sequences of reactions;

$C H_{3} C H_{2} C H_{2} B r \to_{- H B r}^{K O H (a l c .)} (A) \overset{H B r}{\to} \overset{}{} (B) \overset{K O H (a q)}{\to} (C)$

the product (C) is:

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propene
0%

propyne
0%

propan-1-ol
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propan-2-ol

Chloroform on reduction with Zn and HCl (alc.) gives:-

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formic acid
0%

chloretone
0%

chloropicrin
0%

methylene dichloride

Westrosol is:-

0%

acetylene tetrachloride
0%

acetylene dichloride
0%

trichloroehyne
0%

1,1,2-trichloroethene

Reagent not used to prepare an alkyl halide from an alcohol is:

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HCl+ ZnCl₂
0%

NaCl
0%

PCl₅
0%

SOCl₂

Most readily hydrolysed halide is:-

0%

C₆H₅Cl
0%

(C₆H₅)₂CHCl
0%

C₆H₅CH₂Cl
0%

(C₆H₅)₃CCl

CCl₄ is insoluble in water because:-

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water is non-polar
0%

CCl₄ is non-polar
0%

water and CCl₄ are polar
0%

none of the above

In the reaction,

$C H_{3} C \equiv C ¯ N a^{+} + {(C H_{3})}_{2} C H C l \to . . . . . . . . . . . . . . .$

the product formed is:

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4-Methylpent-2-yne
0%

propyne
0%

propyne and propene
0%

none of these

Chloral is:

0%

CCl₃ CHO
0%

CCl₃COCH₃
0%

CCl₃CO-CCl₃
0%

CCl₃CH₂OH

A compound A of formula C₃H₆Cl₂ on reaction with alkali can give B of formula C₃H₆O or C of formula C₃H₄. B on oxidation gave a compound of the formula C₃H₆O₂. C with dilute H₂SO₄containing Hg²⁺ ion gave D of formula C₃H₆O, which with bromine and NaOH gave the sodium salt of C₂H₄O₂. Then A is:

0%

CH₃CH₂CHCl₂
0%

CH₃CCl₂CH₃
0%

CH₃CHClCH₂Cl
0%

CH₂ClCH₂CH₂Cl

Ethylene on treatment with chlorine gives:-

0%

Ethylene dichloride
0%

Ethylene chlorohydrin
0%

CH₄
0%

C₂H₆

The compound A forms B with sodium metal and again A forms C with PCl₅, but B and C form diethyl ether. Thus A, B and C are:

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C₂H₅OH, C₂H₅ONa , C₂H₅Cl
0%

C₂H₅OH, C₂H₅Cl, C₂H₅ONa
0%

C₂H₅OH, C₂H₅Cl, C₂H₄Cl₂
0%

C₂H₅OH, C₂H₅Cl, C₂H₅ONa

The halide which undergoes nucleophilic substitution most readily is:

0%

p-H₃CC₆H₄Cl
0%

o-H₃COC₆H₄Cl
0%

p-ClC₆H₄Cl
0%

p-O₂NC₆H₄Cl

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Practice Chemistry Quiz Questions and Answers

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Practice Chemistry Quiz Questions and Answers

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