The number of olefinic bonds in the given compound are (a ...€¦ · The number of olefinic bonds in the given compound are (a) 2 (b) 3 (c) 1 (d) 4 Contact : 8400-582-582, 8604-582-582

The number of olefinic bonds in the given

compound are

(a) 2

(b) 3

(c) 1

(d) 4

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01

CH2 = CH – C – CH = CH – C N

O

Ethyl methyl vinyl amine has the structure


02

Common name of CH2 = CH – CN is

(A) acrylonitrile (B) vinyl cyanide

(C) allyl cyanide (D) allyl nitrile

(a) A, B and D (b) A and B

(c) Only B (d) A, B and C.


03

The structural formula of isopropyl carbinol is

(a) (CH3)2CHOH

(b) CH3–CHOH–CH2–CH3

(c) (CH3)2 CH.CH2OH

(d) (CH3)3COH.


04

Derived name of CH2 = CH–CH2CO–CH3 is

(a) 1-Pentene-1-one

(b) Allyl methyl ketone

(c) 4-Pentene-2-one

(d) Vinyl acetone.


05

Urea molecule exihibit

(a) Chain isomerism

(b) Position isomerism

(c) Geometrical isomerism

(d) Tautomerism


06

H2N–C–NH2

|| O

Meso-tartaric acid is optically inactive due to

the presence of

(a) Molecular symmetry

(b) Molecular asymmetry

(c) External compensation

(d) Two asymmetric carbon atoms.


07

COOH

H

H OH

COOH

OH

If optical rotation produced by the compound [A]

is + 65°, then produced by the compound [B] is

(a) + 65°

(b) –65°

(c) Zero

(d) Unpredictable


08

Which is optically active molecule


09

The IUPAC name of is

(a) But-2-ene-2,3-diol

(b) Pent-2-ene-2,3-diol

(c) 2-methylbut-2-ene-2,3-diol

(d) Pent-3-ene-3,4-diol.


10

OH

OH


(a) 2-Ethyl-ethyl acetate

(b) Ethyl 3-methyl butanoate

(c) Ethyl 2-methyl butanoate

(d) 2-Methyl butanoic acid ethylester.


11

CH3 – CH2 – CH – COOC2H5

CH3

The IUPAC name of the compound is

(a) 1-Chloro-2-bromocylohexane

(b) 1, 2-Bromochlorocyclohexane

(c) 4-Bromo-3-chlorocyclohexane

(d) 1-Bromo-2-chlorocyclohexane


12

Br

Cl

The IUPAC name of the compound

(a) Propylene Oxide

(b) 1, 2-Oxo propane

(c) 1, 2-Epoxy propane

(d) 1, 2-Propoxide.


13

H2C CH – CH3

O

The IUPAC name of given compound is

(a) 1-Methyl -5-ethyl cyclohex -2-ene

(b) 5-Ethyl-3-methyl cyclohex-1-ene

(c) 4-Ethyl-6-methyl cyclohex-1-ene

(d) 1-Ethyl-5-methyl cyclohex-3-ene.


14

CH2CH3

CH3

The IUPAC name of the given compound is

(a) 3–Methyl-2–cyclohexenone

(b) 2–Methyl–3–cyclohexenone

(c) 1–Oxo–3–methyl cyclohexene

(d) 2–Oxo–6–methyl cyclohexene


15

Me

O


(a) 1,2,3–Tricyano propane

(b) Propane–1,1,1– tricarbylamine

(c) Propane–1,2,3– tricarbonitrile

(d) 3-Cyano pentane dicyanide


16

CH2–CN

CH–CN

CH2–CN

The IUPAC name of this compound is

(a) 2-Fluoro-4-chloro-2,4-diethyl pentane

(b) 3-Fluoro-5-chloro-3-methyl-5-ethyl hexane

(c) 3-Chloro-5-fluoro-3,5-dimethyl heptane

(d) 3,5-Dimethyl-5-fluoro-3-chloro heptane.


17

CH3 – C – CH2 – C – CH3

F Cl

C2H5 C2H5


(a) 2-Cyclohexyl butane

(b) 2-Phenyl butane

(c) 3-Cyclohexyl butane

(d) 3-Phenyl butane


18

CH3CHCH2CH3

C6H5


(a) 2-Bromo-4-isopropylpentane

(b) 2, 3-Dimethyl-5-bromohexane

(c) 2-Bromo-4, 5-dimethylhexane

(d) 5-Bromo-2, 3-dimethylhexane.


19

Br

Give the IUPAC name of

(a) 4-Isopropyl-5-ter. butyl octane

(b) 4-Ter. butyl-5-isopropyl octane

(c) 2-Methyl-3-propyl-4-ter. butyl heptane

(d) 2, 2-Dimethyl-3-propyl-4-isopropyl heptane


20

CH3 – CH2 – CH2 – CH – CH – CH2 – CH2 – CH3

H3C – C – CH3

CH3

H3C – CH

CH3

The IUPAC name of the compound Br(Cl)CH.CF3

is

(a) Haloethane

(b) 1, 1, 1-Trifluoro-2-bromo-2- chloroethane

(c) 2-Bromo-2-chloro-1, 1, 1- trifluoroethane

(d) 1-Bromo-1-chloro-2, 2, 2- trifloro ethane.


21


(a) 4- Cyano-4-methyl -2- oxo pentane

(b) 2-Cyano-2-methyl-4-oxo pentane

(c) 2, 2-Dimethyl -4- oxo pentanenitrile

(d) 4- Cyano-4-methyl-2-pentanone.


22

CH3 – C – CH2 – C – CH3

O CN

CH3


(a) 5-Ethyl- 5-heptene-1, 3- diyne

(b) 3-Ethyl- 2-heptene-4, 6- diyne

(c) 5-Ethenyl-1, 3- heptatriyne

(d) 3-Ethenyl-4, 6-heptatriyne


23

HC C – C C – C – CH2 – CH3

CH – CH3


(a) 2- (N-methyl amino) -4-methyl pentane

(b) N, 4-dimethyl pentan-2-amine

(c) 2-(N-methyl amino)-3-isopropyl propane

(d) 2-(N-methyl amino)-1, 4, 4-trimethyl butane.


24

CH3 – NH – CH – CH2 – CH – CH3

CH3 CH3

1-Chlorobutane & 2-chlorobutane are

(a) Position isomers

(b) Chain isomers

(c) Geometrical isomers

(d) Ring-chain isomers


25

Possible number of disubstituted benzene

isomers are

(a) 1

(b) 2

(c) 3

(d) 4


26

& are

(a) Tautomers

(b) Functional

(c) Position

(d) All the above.


27

Metamerism is shown by

(a) Diethyl ether and n-propyl methyl ether

(b) Ethyl alcohol and diethyl ether

(c) Acetone and propionaldehyde

(d) Propionic acid and acetic acid.


28

CH3CHOHCH2CHO and CH3CH2CH2COOH

constitute a pair of -

(a) Position isomers

(b) Metamers

(c) Optical isomers

(d) Functional isomers.


29

30. Geometrical isomerism is shown by


30

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The number of olefinic bonds in the given compound are (a ...€¦ · The number of olefinic bonds in the given compound are (a) 2 (b) 3 (c) 1 (d) 4 Contact : 8400-582-582, 8604-582-582