In the reaction X and Y are:

X = 1 - Butyne ; Y = 3 - Hexyne

X = 2 - Butyne ; Y = 3 - Hexyne

X = 2 - Butyne ; Y = 2 - Hexyne

X = 1 - Butyne ; Y = 2 - Hexyne

MEDIUM

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Rank the following compounds in order of decreasing stability.

1. 3-methyl-1,4-pentadiene

2. 2-methyl-1,3-butadiene

3. 1,3-hexadiene

4. 2-methyl-1,4-pentadiene

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Important Questions on Hydrocarbons

MEDIUM

Chemistry>Organic Chemistry>Hydrocarbons>Alkenes

The major product of the following reaction is:

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HARD

Chemistry>Organic Chemistry>Hydrocarbons>Alkenes

A compound $A$ with molecular formula

C_{10} H_{13} C l

, gives a white precipitate on adding silver nitrate solution. $A$ on reacting with alcoholic

KOH

gives compound $B$ as the main product. $B$ on ozonolysis, gives $C$ and $D$ . $C$ gives Cannizaro reaction, but not aldol condensation. $D$ gives aldol condensation, but not Cannizaro reaction. $A$ is

EASY

Chemistry>Organic Chemistry>Hydrocarbons>Alkenes

In the given reaction, the product $P$ is

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HARD

Chemistry>Organic Chemistry>Hydrocarbons>Alkenes

In the following reactions

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Compound X is

EASY

Chemistry>Organic Chemistry>Hydrocarbons>Alkenes

In the reaction with

HCl

, an alkene reacts following the Markovnikov's rule to give the product

1 -

chloro

- 1 -

methylcyclohexane. The possible reaction of the alkene is

EASY

Chemistry>Organic Chemistry>Hydrocarbons>Alkenes

The trans-alkenes are formed by the reduction of alkynes with

EASY

Chemistry>Organic Chemistry>Hydrocarbons>Alkenes

The reaction of

C_{6} H_{5} C H = C H C H_{3}

with HBr produces:

HARD

Chemistry>Organic Chemistry>Hydrocarbons>Alkenes

Which one of the following alkenes when treated with

H C l

yields majorly an anti Markovnikov product?

HARD

Chemistry>Organic Chemistry>Hydrocarbons>Alkenes

Which of the following is not the product of dehydration of
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MEDIUM

Chemistry>Organic Chemistry>Hydrocarbons>Alkenes

When 2-butyne is treated with

P d - B a S O_{4}

; the product formed will be

HARD

Chemistry>Organic Chemistry>Hydrocarbons>Alkenes

Compound(s) that on hydrogenation produce(s) optically inactive compound(s) is (are)

HARD

Chemistry>Organic Chemistry>Hydrocarbons>Alkenes

The major product in the following conversion is

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HARD

Chemistry>Organic Chemistry>Hydrocarbons>Alkenes

In the following reaction, the major product is
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MEDIUM

Chemistry>Organic Chemistry>Hydrocarbons>Alkenes

3 -

Methyl

-

pent

- 2 -

ene on reaction with

HBr

in presence of peroxide forms an addition product. The number of possible stereoisomers for the product is

MEDIUM

Chemistry>Organic Chemistry>Hydrocarbons>Alkenes

The correct statement(s) for the following addition reactions is(are)

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EASY

Chemistry>Organic Chemistry>Hydrocarbons>Alkenes

The major product of the following reaction is:
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MEDIUM

Chemistry>Organic Chemistry>Hydrocarbons>Alkenes

Consider the following reactions

A \to_{(ii) H_{3} O^{+}}^{(i) {CH}_{3} MgBr} B \to_{573 K}^{Cu} 2 - methyl - 2 - butene

. The mass percentage of carbon in

A

is _____________. (Up to two decimal place)

HARD

Chemistry>Organic Chemistry>Hydrocarbons>Alkenes

What is the major product expected from the following reaction?

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Where D is an isotope of hydrogen.

MEDIUM

Chemistry>Organic Chemistry>Hydrocarbons>Alkenes

The major product of the following reaction is:

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EASY

Chemistry>Organic Chemistry>Hydrocarbons>Alkenes

In the reaction

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X and Y are:

Rank the following compounds in order of decreasing stability. 1. 3-methyl-1,4-pentadiene ​2. 2-methyl-1,3-butadiene 3. 1,3-hexadiene ​4. 2-methyl-1,4-pentadiene

Important Questions on Hydrocarbons

Learn and Prepare for any exam you want !

Rank the following compounds in order of decreasing stability.

1. 3-methyl-1,4-pentadiene

2. 2-methyl-1,3-butadiene

3. 1,3-hexadiene

4. 2-methyl-1,4-pentadiene