Hydrocarbons Test

Result

Hydrocarbons Test - 42

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Weekly Quiz Competition

Question 1
4 / -1

Paragraph :- Cyclohexene on ozonolysis following by reaction with Zinc dust and water gives aldehyde(P). Compound (p) on further treatment with aqueous KOH yields compound(Q).
The structure of compound (Q) is

A

B

C

D

Solution
Question 2
4 / -1

In an industrial process, coke is hetaed with quick-lime in an electric furnace and the cooled product is then treated with water to produce

A
Acetylene

B
Ethylene

C
Ethane

D
Methane

Solution
Question 3
4 / -1

(CH₃)₃CMgCl on reaction with D₂O produces

A
(CH₃)₃ CD

B
(CH₃)₃ COD

C
(CD)₃ CD

D
(CD)₃COD

Solution
Question 4
4 / -1

Which one of the following heptanols can be dehydrated to hept–3–ene only ?

A
Heptan–3–ol

B
Heptan–4–ol

C
Heptan–2–ol

D
Heptan–1–ol

Solution
Question 5
4 / -1

Pure methane can be produced by

A
Wurtz reaction

B
Kolbe’s electrolytic method

C
Soda-lime decarboxylation

D
Reduction with H₂

Solution
Question 6
4 / -1

When CH₃CH₂CHCl₂ is treated with NaNH₂, the product formed is

A

B

C

D

Solution
Question 7
4 / -1

A sample of diesel has the same knocking characteristics as a 60 ml mixture of cetane and α − methy lnaphthalene mixed in 2:1 ratio. The cetane number of the diesel sample is

A
60

B
40

C
66.6

D
33.3
Question 8
4 / -1

Arrange the following in increasing order of their release of energy on combustion

A
III < IV < I < II

B
I < II < IV < III

C
III < IV < II < I

D
I >II > III > IV
Question 9
4 / -1

Which of the following reactions is used to prepare isobutane?

A
Wurtz reaction of C₂H₅Br

B
Hydrolysis of n – butylmagnesium iodide

C
Reduction of propanol with red phosphorus and HI

D
Decarboxylation of 3 – methylbutanoic acid.

Solution
Question 10
4 / -1

The reaction of sodium formate with soda-lime gives

A
Methane

B
Hydrogen

C
Ethane

D
None of these

Solution