Chemistry MCQs

Page No. 101

A reaction has values of ?H and ?S which are both positive. The reaction __________________?


aIs spontaneous


bSpontaneity is temperature dependent


cHas an increasing free energy


dIs non-spontaneous


View Answer Is non-spontaneous

If internal energy of the system is increased ____________________?


aChange in state of the system is increased


bTemperature of the ystem may rise


cChemical reaction may take place


dAll


View Answer All

Which one is not state function ________________?


aInternal energy


bEnthalpy


cGibbs free energy


dWork


View Answer Work

Which is not heterocyclic compound _______________?


aFuran


bThiophene


cAniline


dPyridine


View Answer Aniline

the fractional distillation of petroleum produces gasoline up to ________________?


a10%


b15%


c20%


d30%


View Answer 20%

In cyano group the carbon atom shows which kind of hybridization___________________?


asp2


bsp


csp3


dnone of the above


View Answer sp

In sp3 hybridization the expected geometry of molecules will be__________________?


asquare planar


btrigonal pyramidal


ctetrahederal


dlinear


View Answer tetrahederal

2-propanol and 1-propanol show the isomerism________________?


ametamerism


bfunctional group isomerism


cgeometric isomerism


dposition isomerism


View Answer position isomerism

A single atom or group of atoms which gives characteristic properties to a compound is called_________________?


aradical


bhydrocarbon


cfunctional group


dion


View Answer functional group

Ether functional group can be represented as ____________________?


aOH


bR-CO-R


cR-O-R


dR-COOH


View Answer R-O-R

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