181.

Which of the following compounds will give red colour on Lassaigne test?

• NaCNS

• NH₂CSNH₂ (thiourea)

• p-NH₂C₆H₄SO₃H (p- aminobenzene sulphonic acid)

• all of the above

A positive carbylamine test is given by

I. N, N-dimethylaniline

II. 2, 4-dimethylamine

III. N-methyl-o-methylaniline

IV. p-methylbenzyl amine

• (II) and (IV)

• (I) and (IV)

• (II) and (III)

• (I) and (II)

Wat will be the final product of following reaction sequence?

The IUPAC name of the following compound is

• 2-carbamoylhexanal

• 2-carbamoylhex-3-enal

• 2-methyl-6-oxohex-3-enamide

• 6-keto-2-methyl hexamide

Which one of the following is the correct structure of sulphapyridine?

Iidentify Z in the following reaction:

${\mathrm{H}}_3{\mathrm{CCONH}}_2 + {\mathrm{Br}}_2 + 4 \mathrm{NaOH} \to \mathrm{Y} + {\mathrm{Na}}_2{\mathrm{CO}}_3+ 2\mathrm{NaBr} + 2{\mathrm{H}}_2\mathrm{O}$

• H₃CCH₂NH₂

• H₃CNH₂

• H₃CCOBr

• HCONH₂

Which is the strongest base among the following?

• H₃CNH₂

• 

• 

• 

Cyclohexylamine and aniline can be distinguished by

• Hinsberg test

• Carbylamine test

• Lassaigne test

• Azo dye test

Nitration of phenyl benzoate yields the product