Multiple Choice QuestionsIn which of the following the inert pair effect is most prominent?
C
Si
Ge
Pb
D.
Pb
Generally elements have same oxidation state as their group number but heavier p-block elements form compounds in which their oxidation state is lower than their group number. It is called inert pair effect.
All the given elements are p-block elements but Pb is heaviest among all the given elements.
A white solid 'A' on heating gives off a gas which turns lime water milky. The residue is yellow when hot but turns white on cooling. This solid 'A' is
zinc sulphate
zinc carbonate
lead sulphate
lead carbonate
Which of the following compounds exhibits optical isomerism?
CH3CH2COOH
CH3CHOHCOOH
CH3CH2CH2OH
CH3CHOHCH3
Gasoline is obtained from crude petroleum oil by its
fractional distillation
vacuum distillation
steam distillation
pyrolysis
Alkene which on ozonolysis yields acetone, is
CH2=CH-CH2-CH3
CH3-CH=CH2
CH3-CH=CH-CH3
(CH3)2-C=C-(CH3)2
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