Chemistry MCQs

Page No. 102

Which one of the following compounds shows intense knocking ?


an-pentane


biso-heptane


ciso-octane


dn-heptane


View Answer n-heptane

At low temperature and pressure cracking can be done in presence of catalyst________________?


aAl2O3


bFe2O3


cAl2O3 and SiO2


dFe2O3 and SiO2


View Answer Al2O3 and SiO2

Crude oil is blackish coloured liquid produced after the decay of organic matter present between_________________?


aearth layer


bmountains


csedimentary rocks


drocks


View Answer sedimentary rocks

Coal is produced after a long time decay of_________________?


aanimals


bfossils


cwood


dall of the above


View Answer wood

Rate of reactions of most organic compounds are____________________?


avery slow


bvery fast


cslow


dno regular character present


View Answer slow

The organic compounds having very high molecular weight are called _________________?


acarboxylic acids


bketones


caldehydes


dpolymers


View Answer polymers

The property of carbon chain formation is called _________________?


acatenation


bhybridization


cpolymerization


dsolvation


View Answer catenation

First organic compound synthesized in laboratory was _________________?


atartaric acid


bethyl alcohol


cmethanol


durea


View Answer urea

The first organic compound was synthesized in laboratory by_________________?


aWohler


bKolbe


cBerzilius


dBerthelot


View Answer Wohler

Pentane and 2-methyl butance have the same_______________?


aBoiling point


bMelting point


cPercentage composition


dStructural formula



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