CBSE - Carbon and Its Compounds

1 Carbon and its Compounds 

Which of the following organic molecules does not have carbon-carbon double bond

(1) C₃H₄O
(2) C₃H₄O₂
(3) C₃H₈O
(4) C₆H₆O

2 Carbon and its Compounds 

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

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

3 Carbon and its Compounds 

The functional group in aldehyde is

(1)   (2)  (3)   (4) 

4 Carbon and its Compounds 

An organic compound butanal has functional group

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

5 Carbon and its Compounds 

Which of the following hydrocarbons have acidic hydrogen?
(1) CH₂=CH₂
(2)
(3) CH₄
(4) C₆H₆

6 Carbon and its Compounds 

Which compound is used to make a soap antiseptic ? 

(1) glycerol 
(2) sulphonic acid 
(3) bithional 
(4) glycerine

7 Carbon and its Compounds 

Chemical formula of Teflon is-

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

8 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

9 Carbon and its Compounds 

An organic compound which is used to preserve biological specimen is 

(1) ether 
(2) methanal 
(3) ethanal 
(4) ethanol

10 Carbon and its Compounds 

Coal is called fossil fuel because :

(1) In future coal will become completely exhausted
(2) It was formed 300 million years ago
(3) Fossils are obtained along with mining of coal
(4) It was formed from the dead remains of living organisms