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Revisal Problems (Past 13 Years) JEE Main (Hydrocarbons) - JEE MCQ


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26 Questions MCQ Test - Revisal Problems (Past 13 Years) JEE Main (Hydrocarbons)

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Revisal Problems (Past 13 Years) JEE Main (Hydrocarbons) - Question 1

Direction (Q.Nos. 1-20) This section contains 20 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONLY ONE option is correct.

Q. What product is formed in the peroxide-catalysed hydrobrom ination of 1 -pentene? 

Revisal Problems (Past 13 Years) JEE Main (Hydrocarbons) - Question 2

Which of the following will produce maximum heat on catalytic hydrogenation with H2/Pt?

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Revisal Problems (Past 13 Years) JEE Main (Hydrocarbons) - Question 3

Consider the following sequence of reaction,

Q. The product X is

Revisal Problems (Past 13 Years) JEE Main (Hydrocarbons) - Question 4

A hydrocarbon on m onochlorin ation yields a single isom er while on dichlorination yielded three isomer (constitutional). The most likely hydrocarbon is

Revisal Problems (Past 13 Years) JEE Main (Hydrocarbons) - Question 5

Which of the following on addition of bromine (Br2) will produce more than one isomers of dibromide?

Revisal Problems (Past 13 Years) JEE Main (Hydrocarbons) - Question 6

 Which of the following cyclic olefins would you predict to be aromatic?

Revisal Problems (Past 13 Years) JEE Main (Hydrocarbons) - Question 7

Which of the following compounds will react most rapidly with acetyl chloride and aluminium chloride?

Revisal Problems (Past 13 Years) JEE Main (Hydrocarbons) - Question 8

2 methylbutane on reacting with bromine in the presence of sunlight gives mainly

Revisal Problems (Past 13 Years) JEE Main (Hydrocarbons) - Question 9

Which could be the major product of the following reaction?

Revisal Problems (Past 13 Years) JEE Main (Hydrocarbons) - Question 10

Which of the following is not the resonance structure of intermediate from the listed electrophilic aromatic substitution?

Revisal Problems (Past 13 Years) JEE Main (Hydrocarbons) - Question 11

What could be the product for the following reaction?

Revisal Problems (Past 13 Years) JEE Main (Hydrocarbons) - Question 12

Arrange the following alkene in increasing order of reactivity towards addition reaction with HCI. 




Revisal Problems (Past 13 Years) JEE Main (Hydrocarbons) - Question 13

In which of the following reaction, a visible change would-be observed?

Revisal Problems (Past 13 Years) JEE Main (Hydrocarbons) - Question 14

If 2-methyl-2-butene is treated with NBS (N-bromo succinimide) in CCI4, how many mono-bromo alkenes would be produced in principle? 

Revisal Problems (Past 13 Years) JEE Main (Hydrocarbons) - Question 15

Which radical is responsible for the observed selectivity in the chain reaction below?

Revisal Problems (Past 13 Years) JEE Main (Hydrocarbons) - Question 16

What is the correct order of reactivity towards sulfonation reaction when treated with hot, conc, sulphuric acid solution?

Revisal Problems (Past 13 Years) JEE Main (Hydrocarbons) - Question 17

Rank the following compounds in decreasing order of reactivity in electrophilic aromatic substitution reaction.




Revisal Problems (Past 13 Years) JEE Main (Hydrocarbons) - Question 18

Predict major product in the following reaction.

Revisal Problems (Past 13 Years) JEE Main (Hydrocarbons) - Question 19

Predict major product of the following reaction.

Revisal Problems (Past 13 Years) JEE Main (Hydrocarbons) - Question 20

What is the major product in the following reaction?

*Multiple options can be correct
Revisal Problems (Past 13 Years) JEE Main (Hydrocarbons) - Question 21

Direction (Q. Nos. 21-26) This section contains 6 multiple choice questions. Each question has four choices (a), (b), (c) and (dj, out of which ONE or MORE THAN ONE are correct.

Q. Which of the following can’t be produced as the single alkane in a Wurtz’s reaction? 

*Multiple options can be correct
Revisal Problems (Past 13 Years) JEE Main (Hydrocarbons) - Question 22

Which of the following will produce more than one alkane on reaction with ethanolic solution of KOH?

*Multiple options can be correct
Revisal Problems (Past 13 Years) JEE Main (Hydrocarbons) - Question 23

If potassium propanoate is electrolysed in aqueous solution, the expected product(s) is/are

*Multiple options can be correct
Revisal Problems (Past 13 Years) JEE Main (Hydrocarbons) - Question 24

Which of the following will produce more than one product on treatm ent with HgSO4/ H2SO4?

*Multiple options can be correct
Revisal Problems (Past 13 Years) JEE Main (Hydrocarbons) - Question 25

Which of the following sets of reagent when applied sequentially on 2-butyne will produce a meso product?

*Multiple options can be correct
Revisal Problems (Past 13 Years) JEE Main (Hydrocarbons) - Question 26

Select from the following molecules or ions which is/are aromatic?

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