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Which one of the following nitro compounds does not react with nitrous acid

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Important Questions on Amines

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Nitration of aniline in strong acidic medium also gives m -nitroaniline because
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Which one of the following method is neither meant for the synthesis nor for separation of amines?
HARD
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The correct match between item-I and item-II:

Item-I Item-II
(drug) (test)
(A) Chloroxylenol (P) Carbylamine test
(B) Norethindrone (Q) Sodium hydrogencarbonate test
(C) Sulphapyridine (R) Ferric chloride test
(D) Penicillin (S) Baeyer's test

 

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A compound with molecular mass180 is acylated with CH3COCl to get a compound with molecular mass 390. The number of amino groups present per molecule of the former compound is
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An organic compound A upon reacting with NH3 gives B. On heating B gives C. C in presence of KOH reacts with Br2 to given CH3CH2NH2. A is:
MEDIUM
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The polymer obtained from the following reactions is:

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When primary amine reacts with chloroform in ethanolic KOH then the product is:
EASY
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IMPORTANT

The reaction of chloroform with alcoholic KOH and p-toluidine forms: