CBSE - Carbon and Its Compounds

1 Carbon and its Compounds 

Hydrocarbon 2-methylbutane is an isomer of

(1) n-pentane
(2) n-butane
(3) propane
(4) iso-butanens.

2 Carbon and its Compounds 

The functional group in aldehyde is

(1)   (2)  (3)   (4) 

3 Carbon and its Compounds 

Which of the following substance is used for unsaturation test of hydrocarbons

(1) Br₂  solution 
(2) Baeyer's reagent 
(3) Ethylene glycol 
(4) A and B both

4 Carbon and its Compounds 

Soaps are used to clean clothes. Which one is correct statement in this respect?

(1) Soap is a sodium salt of an aromatic acid
(2) During cleaning micelles are formed
(3) Using soap hard water cannot be distinguished
(4) Soap can be used in hard water for bett er cleaning of clothes

5 Carbon and its Compounds 

Property of self-combination of the atoms of the same element to form long chains is known as

(1) Protonation
(2) Carbonation
(3) Coronation
(4) Catenation

6 Carbon and its Compounds 

An organic compound butanal has functional group

(1) Aldehyde
(2) Ketone
(3) Alcohol
(4) Amine

7 Carbon and its Compounds 

The number of carbon atom in kerosene oil is

(1) C₆– C₁₁
(2) C₂₀ – C₃₀
(3) C₁₁ – C₁₆
(4) C₁₈ – C₂₂ 

8 Carbon and its Compounds 

The allotrope of carbon in amorphous form among the following is .......

(1) Diamond
(2) Graphite
(3) Buckministerfullerene
(4) Coal

9 Carbon and its Compounds 

A strip of copper is placed in four different colourless salt solution. The salt solutions are NaNO₃, Zn(NO₃)₂ , Mg(NO₃)₂, , AgNO₃  Which one of the solution will finally turn blue

(1) AgNO₃ 
(2) Zn(NO₃)₂ 
(3) Mg(NO₃)₂ 
(4) NaNO₃

10 Carbon and its Compounds 

Chemical formula of Teflon is-

(1) (-CF₂-CF₂-)_n 
(2)
(3) (-CH₂-CH₂-)_n
(4) None