Chemistry MCQs

Page No. 101

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


aIs spontaneous

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bSpontaneity is temperature dependent

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cHas an increasing free energy

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dIs non-spontaneous

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View Answer Is non-spontaneous

If internal energy of the system is increased ____________________?


aChange in state of the system is increased

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bTemperature of the ystem may rise

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cChemical reaction may take place

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dAll

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View Answer All

Which one is not state function ________________?


aInternal energy

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bEnthalpy

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cGibbs free energy

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dWork

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View Answer Work

Which is not heterocyclic compound _______________?


aFuran

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bThiophene

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cAniline

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dPyridine

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View Answer Aniline

the fractional distillation of petroleum produces gasoline up to ________________?


a10%

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b15%

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c20%

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d30%

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View Answer 20%

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


asp2

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bsp

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csp3

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dnone of the above

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View Answer sp

In sp3 hybridization the expected geometry of molecules will be__________________?


asquare planar

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btrigonal pyramidal

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ctetrahederal

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dlinear

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View Answer tetrahederal

2-propanol and 1-propanol show the isomerism________________?


ametamerism

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bfunctional group isomerism

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cgeometric isomerism

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dposition isomerism

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View Answer position isomerism

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


aradical

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bhydrocarbon

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cfunctional group

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dion

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View Answer functional group

Ether functional group can be represented as ____________________?


aOH

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bR-CO-R

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cR-O-R

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dR-COOH

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View Answer R-O-R

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