71

ಡೆ

74.

A compound gives a mass sy

rum with peaks at m/z (40%). 112 (100%), 114 (339%) ೩04

ntially no other peaks. Identify the compound

(A) Chlorubenzene (ए) Bromobe

ne

(८) Benzaldehyde (D) Acetophenone

The lowest energy term for the
(५) D ஐ
(भि ۱ (D) ‏5ط‎

quration is

The mass spectrum of a compound exhibited molecular ion peaks at m/z corresponding to

MM +2)7. (M +4)" and (M + 6)" in the ratio 1 : 3: 3 : 1. The compound may likely to contain
(A) 2 Bratoms 18) 3 Clatoms
((') 3 Bratoms (D) 2Claoms

Cumene hydroperoxide process is used in the manufacture of

(A) Nitrobenzene (छ) னப
(€) Chlorobenzene (D) Aniline

Benzene is nitrated with nittating mixture and then chlorinated using C/,/FeCly in the absenec of
light. The product obtained was then treated with tin and HC/. The final product in the above

reaction sequence 15

(ക) m-Dinitrobenzene (छ) m-Nitroaniline

(€) m-Chlorvaniline (D) m-Chlorophenyl hydrazine
Which of the following compound is most basic ?

‎Pyrrole (B) Pyridine‏ ھ)

‎(C) Piperidine (ಐ) Morpholine

‎

‎In which of the following reactior

‎

‎s a carboxylic acid ‏ىا‎ NOT obtained ?
(A) Hydrolysis of a aitrile in acid med
h

‎

‎

‎(8) Hydrolysis ¢

‎

‎ddition produet obtained from a Grignard reagent and ‏و0‎

‎

‎(¢) Oxidation जं primary alcohol with acid KMnO .

‎(D) 11080118 ೩೦16 amide with Br, and NaOH

‎

‎Benzene diazonium chloride can be converted into benzene by heating with
(A) Water (8) Ethanol
(6) ன்ப nitrite (D) Benzene and NaOH
11 107/2018
‏ا شا‎

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