testy7

testy7



Organie Chemislry K.\am'lerm Nr i

First and I.asl Name..........................

Pan 1

No

Problem

1 lic

answer

1

I Iow many assymetric eentres exisi in moiecule of 1 )-ry bofuranose? a) 2; b) 3; c)4; d) 5

o

The hydrogen bonds are not existing between molecules of: a) acetic acid: b) imidazole; c) etliyl ether; d) ethanol

i

J

Mc

or

' What hydrocarboii is present in the picture given above. what kind of conformation is presented?

4

The geometrie isomers exist in moiecule of: a) 1-bulone; b) 2-butene; e) 2.3-dimethyl-2-bulene; d) 2-melhyl-l -butenc

~ 5

The morę stable conformation of cvclohexane is: a) half chiair: b) chair; c) boat; d) twisted boat.

6

One of the following compounds is not aromatic: a) antracene: b) uracil; e) pyridine; d) imidazole.

7

The allene formally belongs to: a) 1,3-diene; b) 1.2-diene: c) alkanes; d) aix)inat i c co mpo u nds.

1

8

Wrile an ecjuation o! oxime format i on:

9

fhe C=N bond is not present in: a) oximes: b) hydra/ones: c) enamines: d) imines

10

ln reaction of acetophenone with phenyl magnesium bromidc is oblaincd: a) primary alcohol; b) secondary alcohol; c ) tertiary aleohol; d) reaction does not occur

1 1

Nitration of nitrobenzene gives dinitroderivative: a) ortho; b) para: c) meta: d) reaction does not occur

12

Oxidation of 2.3-butancdiol by polassium periodate gives: a) one moiecule ol aldehyde and ketone; b) two molecules of aldehyde: c) iwo molecules of k c (o n es; d) h y d ro x y k e ton c


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