CBSE - Carbon and Its Compounds

1 Carbon and its Compounds 

In the presence of concentrated sulphuric acid, acetic acid react with ethyl alcohol to produce

(1) aldehyde
(2) alcohol
(3) ester
(4) carboxylic acid

2 Carbon and its Compounds 

An organic compound butanal has functional group

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

3 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

4 Carbon and its Compounds 

The functional group in aldehyde is

(1)   (2)  (3)   (4) 

5 Carbon and its Compounds 

Which of the following class of organic compound does not contain (C = O) group in some form ?

(1) Aldehydes
(2) Ethers
(3) Carboxylic acids
(4) Esters

6 Carbon and its Compounds 

An organic compound 'A' on treating with acidified potassium dichromate solution gives 'B' with molecular mass 60 gm/mol. 'A' on heating with conc. H₂SO₄  of 443 K produces a gas that decolourless bromine water. The compound A is

(1) n-propyl alcohol
(2) iso-propyl alcohol
(3) ethyl alcohol
(4) acetaldehyde

7 Carbon and its Compounds 

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

8 Carbon and its Compounds 

The action of cleaning of oily dirt by soap is based on .......

(1) solubility in water
(2) hydrophilic property
(3) hydrophobic property
(4) presence of both hydrophilic and hydrophobic groups

9 Carbon and its Compounds 

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

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

10 Carbon and its Compounds 

Which compound is used to make a soap antiseptic ? 

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