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Hydrogenation of Alkynes

An alkyne can...

Question

An alkyne can be reduced to alkene via:

A

Dissolved metal reduction

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B

Hydrogenation using Lindlar’s catalyst

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C

Both a and b

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D

Lithium aluminium hydride

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Solution

The correct option is C
Both a and b

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Similar questions

Q. The reagent used to convert an alkyne to alkene is ________.

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. An alkene is more reactive than an alkyne towards electrophilic addition of

H B r

H C l

to alkyne, does not react further with

H C l

H B r

till all alkyne are exhausted.
if true enter 1, if false enter 0.

Write the molecular formula of (i) an alkane (ii) an alkene, and (iii) an alkyne, each having 20 carbon atoms.

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