CBSE - Carbon and its Compounds

1 Carbon and its Compounds 

Chemical formula of Teflon is-

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

2 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

3 Carbon and its Compounds 

An organic compound butanal has functional group

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

4 Carbon and its Compounds 

Which Vitamin is found in abundance in Amla?

(1) Vitamin -A
(2) Vitamin - C
(3) Vitamin - B
(4) Vit amin - D

5 Carbon and its Compounds 

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

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

6 Carbon and its Compounds 

Hydrocarbon 2-methylbutane is an isomer of

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

7 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

8 Carbon and its Compounds 

Chlorine reacts with saturated hydrocarbons at room temperature in the

(1) absence of sunlight
(2) presence of sunlight
(3) absence of moisture
(4) presence of H₂SO₄ 

9 Carbon and its Compounds 

Which compound is used to make a soap antiseptic ? 

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

10 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