1.

(I) CH_3 OH(II) C_2H_5OH (III) CH_3CH_2CH_2OH (IV) CH_3 -CH (OH)CH_3 (V) (CH_3)_3 C- OH (VI)CH_3 CH(OH)C_2H_5 (VII) CH_3COCH_3 (VIII)C C l_3 COCH_3 (IX)CH_3 CHO(X)CH_3 -overset( O) overset(||) C - OH (XI)CH_3 -overset( O) overset(||) C- O -C_2H_5(XII)C_2 H_5-CHOWhich of the above compounds cannot undergo iodoform reaction ?

Answer»

`1`. Only `II,IV, VI, VII, VIII, IX`
`2`. Only ` I,III, V, X, XI,XII`
`3`. Only `X,XI, XII`
`4`. Only ` I, V , X , XII`

Answer :B


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