What is meant by the following terms ?.Give an example of the reaction in each case. i. Cyanohydrin ii. Acetal iii. Semicarbazone- iv. Aldol v.Heniacetal vi. Oxime vii. Ketal viii. Imine ix. 2,4-DNP-derivative x. Schiffs base

Explanation

i. Cyanoliydrin is the compound obtained on thẻ reaction of the carbonyl compounds with hydrogen,cyanide,
figure
ii. When aldehyde reacts with 2 -moles of alcohols in the, presence of HCl gas it forms acetal.
Figure
iii. Whenaldebyde or ketóne reacts with semicarbazide, the product formed is semicarbazone.
`Eg: CH_3-CH=N-NHCONH_2`
iv. A compound containing aldehydic as well as alcoholic group is called aldol,
figure
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