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Chemical Properties of Aromatic Compounds

A compound 'A...

Question

A compound ‘A’ when treated with $H N O_{3}$ (in presence of $H_{2} S O_{4}$ ) gives compound ‘ B’, which is then reduced with $S n$ and $H C l$ to aniline? The compound ‘A’ is

A

Toluene

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B

Benzene

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C

Ethane

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D

Acetamide

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Solution

The correct option is B Benzene

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Similar questions

Q. A compound “A” when treated with conc.

H N O_{3}

H_{2} S O_{4}

gives a compound “B” which is then reduced with Sn/HCl to aniline. Compound A is :

Q. An aliphatic unsaturated hydrocarbon

(A)

when treated with

H g S O_{4} / H_{2} S O_{4}

yields a compound

(B)

having molecular formula

C_{3} H_{6} O

(B)

on oxidation with concentrated

H N O_{3}

gives two compounds

(C)

(D)

(C)

when treated with

P {C l}_{5}

(E)

(E)

when reacts with ethanol gives a sweet smelling liquid

(F)

(F)

is also formed when

(C)

reacts with ethanol in the presence of concentrated

H_{2} S O_{4}

.
(i) Identify the compound

A, B, C, D, E

F

.
(ii) Give the chemical equation for the reaction of

(C)

with chlorine in the presence of red phosphorous and name the reaction.

Q. Compound “A” on reduction with Sn/HCl gives “B” which on further reaction with

C H C l_{3}

and alcoholic KOH gives compound “C”. The compound upon hydrolysis gives aniline. The compound “A” is :

[A]

is an aromatic amine which react with

N a N O_{2} + H C l

273 - 278 K

and form compound

[B]

[B]

H B F_{4}

and the obtain product on further heating, in the presence of

N a N O_{2}

and confirm compound

[C]

[C]

reduced in the presence of

S n / H C l

to re-formed compound

[A]

. Write general name of

^{'} A^{'},^{'} B^{'}

^{'} C^{'}

and write equation of all reaction involved?

Q. Cumene is oxidised in the presence of air to give compound '

A

' which upon treated with dilute acid gives compound '

B

' along with acetone. What is the compound '

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