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Dehydration of Alcohols

The reaction ...

Question

The reaction of $H_{2}$ is given below
$H_{2}$ + CO + R—CH = $C H_{2}$ $\to$ $R — C H_{2}$ — $C H_{2} — C H O$ is specifically called as

A

Hydrogenation

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B

Hydroformylation

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C

dehydration

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D

none

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Solution

The correct option is B Hydroformylation
Hydroformylation also known as oxo synthesis or oxoprocess , is an important homogeneously catalyzed industrial process for the production of aldehydes from alkenes.This chemical reaction entails the addition of a formyl group (-CHO) and a hydrogen atom to a carbon-carbon double bond.

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Q. The reaction of

H_{2}

H_{2} + C O + R - C H = C H_{2} \to R - C H_{2} - C H_{2} - C H O

is specifically called as

Q. In the given reaction:

C H_{2} = C H - C H O \to C H_{2} = C H - C H_{2} O H

in the presence of X, what will be X:

Q. Complete table.

Chemical reaction	Product	$I U P A C$ name of the product
$C H_{2} = C H_{2} + C l_{2}$	........	........
$C H_{2} = C H_{2} + H C l$	..........	.........
$C H_{3} - C h = C H_{2} + H_{2}$	..........	..........
$C H_{3} - C H = C H - C H_{3} + H B r$	...........	........

$C H \equiv C H + H_{2} \to C H_{2} = C H_{2}$

The given reaction is an example of substitution reaction.

Q. Match the column

A, B

C

Reactabts $(A)$	Products $(B)$	Name of the reaction $(C)$
$C H_{3} - C H_{3} + C l_{2}$	$C O_{2} + H_{2} O$	Addition reaction
$C_{2} H_{6} + O_{2}$	$C H_{2} = C H_{2}$	Thermal cracking
$_{n} C H_{2} = C H_{2}$	$C H_{2} = C H_{2} + C H_{4}$	Substitution reactions
$C H_{3} - C H_{2} - C H_{3}$	$C H_{3} - C H_{2} C l + H C l$	Polymerisation
$C H \equiv C H + H_{2}$	$[- C H_{2} - C H_{2} -]_{n}$	Combustion

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