CBSE Questions for Class 10 Chemistry Carbon And Its Compounds Quiz 6 - MCQExams.com

The total no. of electrons that take part in forming a bond in $$N_2$$ is :
  • 2
  • 4
  • 6
  • 10
Covalent bonds are formed when electrons are ____________. Covalent compounds have ____________ electrical conductivity.
  • shared, high
  • shared, low
  • transferred, high
  • transferred, low
Graphite differs from diamond because graphite is:
  • greyish black in colour and bad conductor of electricity
  • slippery to touch and good conductor of electricity
  • greyish black in colour and bad conductor of heat
  • slippery to touch and good conductor of heat
Which one of the following is not a property of carbon?
  • It exhibits catenation.
  • It forms multiple bonds.
  • Its melting points and boiling points are very high.
  • It is a metalloid.
In the Earth's crust, Carbon is found in the form of_________.
  • carbonates
  • hydrogen carbonates
  • petroleum
  • All of the above
Due to the weak Van der Waals' forces and less distance between the layers, graphite:
  • show lubricating property.
  • has lusture.
  • is hexagonal.
  • is a good conductor of electricity.
The property of catenation is seen maximum in ____________ element.
  • cadmium
  • chlorine
  • carbon
  • copper
In double covalent bond, there is sharing of :
  • 2 electrons
  • 4 electrons
  • 6 electrons
  • 3 electrons
Following are the uses of a substance.

(i) It is used as an abrasive for cutting glass.

(ii) It is used as a tip of deep boring drills.

(iii) It is used for making dies for drawing wires.

(iv) It is used in generating laser beams in electronics.

What is the name of this substance?
  • Diamond
  • Buckminsterfullerene
  • Lampblack
  • Graphite
Which of the following are members of same homologous series?
  • $$HCOOCH_3$$ and $$CH_3COOCH_3$$
  • $$HCOOH$$ and $$HCOOCH_3$$
  • $$CH_3COCH_3$$ and $$CH_3CH_2CHO$$
  • $$C_2H_5OH$$ and $$CH_3OCH_3$$
Identify the unsaturated compounds from the following :
$$(i)$$ Propane      $$(ii)$$ Propene      $$(iii)$$ Propyne      $$(iv)$$ 2-Chloropropane
  • $$(i)$$ & $$(ii)$$
  • $$(ii)$$ & $$(iv)$$
  • $$(iii)$$ & $$(iv)$$
  • $$(ii)$$ & $$(iii)$$
Which general formula represents the homologous series of hydrocarbons that includes the compound 1-heptyne? 
  • $$C_nH_{2n-6}$$
  • $$C_nH_{2n}$$
  • $$C_nH_{2n-2}$$
  • $$C_nH_{2n+2}$$
How can we get compound X back from Y? Name the process.
  • Saponification
  • Hydrogenation
  • Carbonation
  • None of these
All members of a homologous series differ by a: 
  • methyl group
  • methylene group
  • methane group
  • None of these
Which of the following statements are usually correct for carbon compounds?
(i) They are good conductors of electricity.
(ii) They are poor conductors of electricity.
(iii) They have strong forces of attraction between their molecules.
(iv) They do not have strong forces of attraction between their molecules.
  • (i) and (iii)
  • (ii) and (iii)
  • (i) and (iv)
  • (ii) and (iv)
Identify the substance which is:
(i) Used in making leads of pencils.
(ii) Used as a dry lubricant.
(iii) Used in making black paint and printers ink.
(iv) Used in nuclear reactors as a moderator.
  • Diamond
  • Buckminsterfullerene
  • Lampblack
  • Graphite

What is not true about homologous series?
  • All members have similar chemical properties
  • They have identical physical properties
  • They can be represented by a general formula
  • None of the above
The characteristic chemical reaction shown by alkanes is :
  • substitution reaction
  • addition reaction
  • subtraction reaction
  • none of these
Addition reactions occur in :
  • saturated hydrocarbons
  • unsaturated hydrocarbons
  • both A and B
  • none of these
What is the name of the compound $$CH_3CH_2CH(CH_3)CH_2OH$$?
  • 2-methylbutanol
  • 3-methylbutanol
  • 2-methylpentanol
  • Pentanol
All members of a homologous series have the same :
  • chemical formula.
  • empirical formula.
  • boiling point.
  • melting point.

What is the name of the compound shown in the figure?


449149.png
  • Butene
  • Propyne
  • Propyne-2
  • Butyne
Which is the correct name for $$CH_3CH_2CH_2CH_2CH_2CONH_2$$ ?
  • Hexanamide
  • 6-hexanamide
  • 6-hexanamine
  • Pentanamide
Carbon can form a maximum of _____ covalent bonds.
  • 1
  • 2
  • 3
  • 4

What is the IUPAC name of the compound shown in the image?


449073.png
  • 1,1,1,1-tetra ethyl methane
  • 2,2-dimethyl pentane
  • 3,3-diethyl pentane
  • 3,3-dimethyl butane

What is the IUPAC name of the compound $$CH_3CH_2CH_2CH_2NH_2$$?
  • Pentanamine
  • Aminobutane
  • Butanamine
  • Butanamide
Define homologous series.
  • Compound with same melting point
  • Compound with same molecular mass
  • Compounds with different general formula
  • Compounds with same functional group substitutes for hydrogen in a carbon chain
The first step in naming carbon compounds is to:
  • determine the parent chain
  • name the substituents
  • count the number of branched chains
  • None of these
Addition reaction of alkenes and alkynes leads to:
  • polymerisation
  • saturation
  • unsaturation
  • catalyzation
On earth, all living cells are _______ based.
  • carbon
  • nitrogen
  • oxygen
  • helium
0:0:1


Answered Not Answered Not Visited Correct : 0 Incorrect : 0

Practice Class 10 Chemistry Quiz Questions and Answers