Home
Class 12
CHEMISTRY
A compound which does not give a positiv...

A compound which does not give a positive test in Lassaigne.s test for nitrogen is

A

urea

B

hydrazine

C

azobenzene

D

phenyl hydrazine

Text Solution

Verified by Experts

The correct Answer is:
B
`NH_(2)-NH_(2)` (inorganic compound give -ve Lassigne.s test)
Promotional Banner

Topper's Solved these Questions

  • PRACTICAL ORGANIC CHEMISTRY

    MS CHOUHAN|Exercise LEVEL -2|5 Videos

  • IUPAC NAME

    MS CHOUHAN|Exercise LEVEL-2 (SUBJECTIVE PROBLEMS ) |1 Videos

Similar Questions

Explore conceptually related problems

The compound which does not respond to iodoform test is

Why diazonium salts do not show positive Lassaigne's test nitrogen ?

An alcohol (A) on dehydration gives (B) which on ozonolysis gives two products C & D (D) gives positive iodoform test and on heating with dilute alkali gives alpha . beta -unsaturated carbonyl compound (E) which does not gives positive iodoform test. (C) on oxidation gives a mono basic acid (F) Ag salt of (F) contains 59.6% Ag. Oxime of (D) contains 16.09% nitrogen. the structure of (A) is

An alcohol (A) on dehydration gives (B) which on ozonolysis gives two products C & D (D) gives positive iodoform test and on heating with dilute alkali gives alpha . beta -unsaturated carbonyl compound (E) which does not gives positive iodoform test. (C) on oxidation gives a mono basic acid (F) Ag salt of (F) contains 59.6% Ag. Oxime of (D) contains 16.09% nitrogen. structure of D is

An alcohol (A) on dehydration gives (B) which on ozonolysis gives two products C & D (D) gives positive iodoform test and on heating with dilute alkali gives alpha . beta -unsaturated carbonyl compound (E) which does not gives positive iodoform test. (C) on oxidation gives a mono basic acid (F) Ag salt of (F) contains 59.6% Ag. Oxime of (D) contains 16.09% nitrogen. the structure of (E ) is given reaction is

For which of the following compounds the Lassaigne's test of nitrogen will fail?

Which of the following compounds on hydrolysis with aqueous alkali give a product which does not give positive iodoform reaction but gives positive silver mirror test. The compound is

Hydrazine does not give Lassaigne's test. Wy?