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Addition

Addition reac...

Question

Addition reaction of alkenes and alkynes leads to:

A

polymerisation

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B

saturation

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C

unsaturation

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D

catalyzation

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Solution

The correct option is B saturation
Addition reactions are typical of unsaturated organic compounds, i.e., alkenes, which contain a carbon-carbon double bond, and alkynes, which have a carbon-carbon triple bond. Addition reactions to alkenes and alkynes are sometimes called saturation reactions because the reaction causes the carbon atoms to become saturated with the maximum number of attached groups.

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Similar questions

Q. Identify the incorrect statement/statements :
(i) Alkynes are more reactive than alkenes towards electrophilic addition reaction
(ii) Alkynes are less reactive than alkenes towards electrophilic addition reaction
(iii) Alkynes decolourise

B r_{2}

water
(iv) Addition of

H B r

to alkenes in presence of peroxide proceeds via Markovnikov's rule

Q. Identify the incorrect statement/statements :
(i) Alkynes are more reactive than alkenes towards electrophilic addition reaction
(ii) Alkynes are less reactive than alkenes towards electrophilic addition reaction
(iii) Alkynes decolourise

B r_{2}

water
(iv) Addition of

H B r

to alkenes in presence of peroxide proceeds via Markovnikov's rule

Q. Alkanes undergo only substitution reactions but alkenes and alkynes undergo both substitution and addition reactions. Why?

Q. Alkynes are less reactive than alkenes towards addition of

B r_{2}

Q. During the addition of

H B r

in presence of a radical initiator peroxide, to an alkyne, the product, bromoalkene does not undergo an addition reaction with

H B r

till all alkyne are exhausted, though alkene is more reactive than alkyne towards free radical addition reaction, explain.

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