Chemistry MCQs

Page No. 18

The rectified spirit contains________________?


a12% alcohol

✖


b90% alcohol

✖


c95% alcohol

✓


d100% alcohol

✖


View Answer 95% alcohol

The formula of starch is__________________?


aC12H22O11

✖


bC6H10O5

✖


c(C6H10O5)n

✓


dC6H12O6

✖


View Answer (C6H10O5)n

Water gas heated at 450?C and 200 atm pressure in the presence of ZnO+Cr2O3 will produce________________?


aethanol

✖


bmethanol

✓


ccarbonic acid

✖


dmethane

✖


View Answer methanol

Which one of the following alcohol has greater boiling point___________________?


aethanol

✖


bglycerol

✓


cethylene glycerol

✖


dmethanol

✖


View Answer glycerol

Ethanol and methanol can be distinguished by a__________________?


aIodoform test

✓


bLucas test

✖


cBenedicts test

✖


dTollens test

✖


View Answer Iodoform test

The hydrogenation of phenol in the presence of Ni and heat gives_________________?


acyclohexane

✖


bn-hexane

✖


c1-hexanol

✖


dcyclohexanol

✓


View Answer cyclohexanol

Phenol was isolated by Runge from________________?


avegetable oil

✖


bcoaltar

✓


cwood

✖


dNone of these

✖


View Answer coaltar

Absolute alcohol is obtained when rectified spirit is treated with__________________?


aCa(OH)2

✖


bCaCO3

✖


cCaCl2

✖


dCaO

✓


View Answer CaO

Methanol can be obtained from_________________?


awater gas

✖


bdestructive distillation of wood

✖


cmethane

✖


dall

✓


View Answer all

Ethanol can be converted into ethanoic acid by_________________?


aHydrogenation

✖


bHydration

✖


cOxidation

✓


dFermentation

✖


View Answer Oxidation

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