Hydrocarbons Test

Result

Hydrocarbons Test - 15

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Weekly Quiz Competition

Question 1
4 / -1

Match the chemical conversion in Column I with the appropriate reagents in Column II and select the correct answer using the codes given below the columns.

A
P = 2, Q = 3, R = 1, S = 4

B
P = 3, Q = 2, R = 1, S = 4

C
P = 2, Q = 3, R = 4, S = 1

D
P = 3, Q = 2, R = 4, S = 1

Solution
Question 2
4 / -1

A dibromo derivative of an alkane reacts with sodium metal to form an cyclic hydrocarbon. The derivative is

A
1,1-dibromopropane

B
2,2-dibromopropane

C
1,2-dibromoethane

D
1,4-dibromobutane

Solution
Question 3
4 / -1

Which cycloalkane has the lowest heat of combustion per CH₂ group ?

A
Cyclopropane

B
Cyclobutane

C
Cyclopentane

D
Cyclohexane
Question 4
4 / -1

Suitable reagents A and B for the following reactions are

A
Br, Br₂

B
Br₂ , NBS

C
NBS, NBS

D
NBS, Br₂

Solution
Question 5
4 / -1

A
6-oxoheptanal

B
6-oxoheptanoic acid

C
6-hydroxyheptanal

D
3-hydroxypentanal

Solution
Question 6
4 / -1

Cyclohexene on reaction with OsO₄ followed by reaction with NaHSO₃ gives

A
cis-diol

B
trans-diol

C
epoxy

D
alcohol

Solution
Question 7
4 / -1

Hydrogen bonding plays a central role in the following phenomena

A
ice floats in water

B
higher Lewis basicity of primary amines than tertiary amines in aqueous solutions

C
formic acid is more acidic than acetic acid

D
dimerisation of acetic acid in benzene

Solution
Question 8
4 / -1

For which of the following molecule significant μ ≠ 0?

A
Only I

B
I and II

C
Only III

D
III and IV

Solution
Question 9
4 / -1

A

B

C

D

Solution
Question 10
4 / -1

Which reagent would you use to carry out the reaction Ethyl benzene → 2 and 4-chloro 1-ethyl benzene?

A
Cl₂ light and heat

B
Cl₂ , FeCl₃

C
SOCl₂

D
C₂ H₅ Cl, AlCl₃

Solution