Question

In which of the following options the order of arrangement does not agree with the variation of property indicated against it?

Accepted Answer

$B{\rm{ }} < {\rm{ }}C{\rm{ }} < {\rm{ }}N{\rm{ }} < {\rm{ }}O$ (increasing first ionization enthalpy)

Answer

$A{l^{3 + }}\, < \,M{g^{2 + }} < \,N{a^ + }\, < \,{F^ - }$ (increasing ionic size)

Answer

$I{\rm{ }} < {\rm{ }}Br{\rm{ }} < {\rm{ }}F{\rm{ }} < {\rm{ }}Cl$ (increasing electron gain enthalpy)

Answer

$Li{\rm{ }} < {\rm{ }}Na{\rm{ }} < {\rm{ }}K{\rm{ }} < {\rm{ }}Rb$ (increasing metallic radius)

NEET UG CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

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