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Give IUPAC name of : OH-CH(3)-CH(2)-CH(...

Give IUPAC name of : `OH-CH_(3)-CH_(2)-CH_(2)-CHO`

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The correct Answer is:
B, C

(a) `p`-hydroxy benzaldehyde is (R) not steam volatile because its boiling point is high
(b) Due to the presence of phenolic group, compound (Q) gives dark violet colouration with 1% aqueous `FeCl_(3)` solution
(c ) Compound (S) gives a yellow precipitate with `2, 4`-dinitroprhenyl hydrazine since it has an aldehydic group present
(d) Compound (S) fails to be responsible to `FeCl_(3)` test since it has no phenolic group present. Thus both (b) and (c ) are correct options
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