1.

The compound which forms acetaldehyde when heated with dilute NaOH is

Answer»

1, 1 Dichloroethane
1, 1, Trichloro ethane
1-chloroethane
1,2-Dichloro ethane.

Solution :`HCHOrarr` does not have an a hydrogen, so it will give CANNIZZARO reaction.
does not have an a hydrogen, so it will give Cannizzaro reaction
`{:("HCH"_(3)),("||"),(CH_(3)-C-C-CHOrarr),("||"),("HCH"_(3)):}` does not have an `alpha` hydrogen, it will give Cannizzaro reaction.
It has `alpha` hydrogen, hence will not give cannizzaro reaction.


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