Carbon and its Compounds Test

Result

Carbon and its Compounds Test - 5

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Weekly Quiz Competition

Question 1
1 / -0

The hetero atoms present in CH₃ — CH₂ — O — CH₂ — CH₂ — Cl are

(i) Oxygen

(ii) Carbon

(iii) Hydrogen

(iv) Chlorine

A
(i) and (ii)

B
(ii) and (iii)

C
(iii) and (iv)

D
(i) and (iv)
Question 2
1 / -0

Which of the following statements are usually correct for carbon compounds? These

(i) are good conductors of electricity.

(ii) are poor conductors of electricity.

(iii) have strong forces of attraction between their molecules.

(iv) do not have strong forces of attraction between their molecules.

A
(i) and (iii)

B
(ii) and (iii)

C
(i) and (iv)

D
(ii) and (iv)
Question 3
1 / -0

Carbon exists in the atmosphere in the form of

A
carbon monoxide only.

B
carbon monoxide in traces and carbon dioxide.

C
carbon dioxide only.

D
coal.
Question 4
1 / -0

Vinegar is a solution of

A
50% – 60% acetic acid in alcohol

B
5% – 8% acetic acid in alcohol

C
5% – 8% acetic acid in water

D
50% – 60% acetic acid in water
Question 5
1 / -0

Pentane has the molecular formula C₅H₁₂. It has

A
5 covalent bonds

B
12 covalent bonds

C
16 covalent bonds

D
17 covalent bonds
Question 6
1 / -0

Carbon forms four covalent bonds by sharing its four valence electrons with four univalent atoms, e.g., hydrogen. After the formation of four bonds, carbon attains the electronic configuration of

A
helium

B
neon

C
argon

D
krypton
Question 7
1 / -0

The name of the compound CH₃—CH₂—CHO is

A
Propanal

B
Propanone

C
Ethanol

D
Ethanal