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Carbon & its Compounds - 1


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10 Questions MCQ Test Science & Technology for UPSC CSE | Carbon & its Compounds - 1

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Carbon & its Compounds - 1 - Question 1

​Butanone is a four-carbon compound with the functional group:

Detailed Solution for Carbon & its Compounds - 1 - Question 1

Butanone:
Draw the expanded structure for 2-butanone. | Study.com
It contains a ketonic group. Ketones have suffix - one. Butane + one = Butanone

Carbon & its Compounds - 1 - Question 2

Structural formula of ethyne is

Detailed Solution for Carbon & its Compounds - 1 - Question 2

'Eth' tells that there are 2 Carbon atoms and 'yne' tells that there is a triple bond.

Carbon & its Compounds - 1 - Question 3

Carbon forms bonds with other atoms:

Detailed Solution for Carbon & its Compounds - 1 - Question 3

Carbon forms bonds with other atoms by sharing electrons because it requires a lot of energy to remove four electrons. Adding four electrons to carbon de-stabalises it. Therefore, it completes its octet by sharing electrons.

Carbon & its Compounds - 1 - Question 4

Chlorine reacts with saturated hydrocarbons at room temperature in the:

Detailed Solution for Carbon & its Compounds - 1 - Question 4

Chlorine reacts rapidly with saturated hydrocarbons in the presence of sunlight.
One such reaction is,
CH4 + Cl2→ CH3Cl + HCl (in the presence of sunlight). This reaction is also called chlorination reaction.

Carbon & its Compounds - 1 - Question 5

The number of C-H bonds in ethane(C2H6) molecule are:

Detailed Solution for Carbon & its Compounds - 1 - Question 5


There are six C-H bonds and one C-C bond . 
 

Carbon & its Compounds - 1 - Question 6

Which of the following is the correct representation of electron dot structure of nitrogen?

Detailed Solution for Carbon & its Compounds - 1 - Question 6

 Three pairs of electrons are shared.

Carbon & its Compounds - 1 - Question 7

Which of the following are allotropes of carbon ?

Detailed Solution for Carbon & its Compounds - 1 - Question 7

 All the three are allotropes of carbon.

Carbon & its Compounds - 1 - Question 8

Oils on treating with hydrogen in the presence of palladium or nickel catalyst form fats. This is an example of:

Detailed Solution for Carbon & its Compounds - 1 - Question 8

Oils on treating with hydrogen in the presence of palladium or nickel catalyst form fats. This is an example of addition reaction because hydrogen is added to oil from reducing agents palladium or nickel.

Carbon & its Compounds - 1 - Question 9

Buckminsterfullerene is an allotropic form of:

Detailed Solution for Carbon & its Compounds - 1 - Question 9

Buckminsterfullerene is an allotropic form of carbon. It resembles the geodesic dome designed by Buckminster.

Carbon & its Compounds - 1 - Question 10

CH3CH2OH CH3COOH 

In the above given reaction, alkaline KMnO4 acts as

Detailed Solution for Carbon & its Compounds - 1 - Question 10

Alkaline potassium permanganate acts as an oxidizing agent as it add oxygen to ethanol to form ethanoic acid.

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