Give name of reagents to bring the following conversions. 1. Allyl alcohol to propenal 2. Ethanenitrile to ethanol

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Solution

1. Allyl alcohol can be converted to propenal as follows:

CH₂=CH-CH₂OH + pyridinium chlorochromate (C₅H₅NH ⁺ CrO₃Cl ^- ) → CH₂=CH-CHO
Allyl alcohol Propenal

2.
$C o n v e r s i o n o f e t h a n e n i t r i l e t o e t h y l a l c o h o l i s g i v e n b e l o w : a) E t h a n e n i t r i l e o n r e d u c t i o n w i t h L i A l H_{4} g i v e s e t h a n a m i n e . C H_{3} C \equiv N \overset{L i A l H_{4}}{\to} C H_{3} C H_{2} N H_{2} b) E t h a n e a m i n e o n r e a c t i o n w i t h n i t r o u s a c i d w h i c h i s p r e p a r e d b y u \sin g N a N O_{2} a n d H C l g i v e s e t h y l a l c o h o l . C H_{3} C H_{2} N H_{2} \overset{N a N O_{2} / H C l}{\to} C H_{3} C H_{2} O H + N_{2} + H_{2} O$

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Similar questions

How will you bring about the following conversions ?

(i) Ethanol to but - 1 - yne

(ii) Ethane to bromoethane

(iii) Propene to 1 - nitropropane

(iv) Toluene to benzyl alcohol

(v) Propene to propyne

(vi) Ethanol to ethyl fluoride

(vii) Bromomethane to propanone

(viii) But-1-ene to but-2-ene

(ix) l - chlorobutane to n- octane

(x) Benzene to biphenyl

Name the reagents used in the following reactions
Oxidation of a primary alcohol to carboxylic acid.

Oxidation of a primary alcohol to aldehyde

Bromination of phenol to 2, 4, 6 - tribromophenol

Benzyl alcohol to benzoic acid

Dehydration of propan-2-ol to propene

Butan-2-one to butan-2-ol

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