Hydrocarbons Test

Result

Hydrocarbons Test - 2

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following are produced from coaltar

A
Synthetic dyes

B
Drugs

C
Perfumes

D
All the three

Solution

Synthetic dyes, drugs, perfumes all are made from coal tar.
Question 2
1 / -0

In alkanes, the bond angle is

A
109.5^o

B
109^o

C
120^o

D
180^o

Solution

In alkanes, hybridization is sp³. Hence bond angle is 109^o.5'.
Question 3
1 / -0

Cyclohexane, a hydrocarbon floats on water because

A
It is immiscible with water

B
Its density is low as compared to water

C
It is non-polar substance

D
It is immiscible and lighter than water

Solution

Cyclohexane, is immiscible and lighter than water. Hence, floats on the surface of water.
Question 4
1 / -0

Natural gas contains mainly

A
Methane

B
n-butane

C
n-octane

D
Mixture of octane

Solution

Methane is the main component of natural gas.
Question 5
1 / -0

In catalytic reduction of hydrocarbons which catalyst is mostly used

A
Pt /Ni

B
Pd

C
SiO₂

D
Misch Metal

Solution

Pt./Ni is used in catalytic reduction of hydrocarbon.
Question 6
1 / -0

Gasoline is obtained from crude petroleum oil by its

A
Fractional distillation

B
Vacuum distillation

C
Steam distillation

D
Pyrolysis

Solution

Fractional distillation is used because the difference between the boiling point of different component is less.

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Re-Attempt Weekly Quiz Competition

Hydrocarbons Test - 2

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Hydrocarbons Test - 2

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Question 1

Synthetic dyes

Drugs

Perfumes

All the three

Solution

Question 2

109.5o

109o

120o

180o

Solution

Question 3

It is immiscible with water

Its density is low as compared to water

It is non-polar substance

It is immiscible and lighter than water

Solution

Question 4

Methane

n-butane

n-octane

Mixture of octane

Solution

Question 5

Pt /Ni

Pd

SiO2

Misch Metal

Solution

Question 6

Fractional distillation

Vacuum distillation

Steam distillation

Pyrolysis

Solution

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109.5^o

109^o

120^o

180^o

SiO₂