Chemistry MCQs

Page No. 85

Elements of group IA IIA are _________________?


aElectronegative


bElectropositive


cNeutral


dIA is electropositive while IIA is electronegative


View Answer Electropositive

Energy released or absorbed when electrons are added in atom is_________________?


aIonization potential


bElectronegativity


cElectron affinity


dActivation energy


View Answer Electron affinity

Greater shielding effect corresponds to ionization energy value___________________?


aGreater


bLesser


cRemain same


dNo effect


View Answer Lesser

Energy required to remove electron from an atom______________?


aIonization potential


bElectronegativity


cElectron affinity


dActivation energy


View Answer Ionization potential

In a period the atomic radius ?


aIncreases


bDecreases


cRemain same


dFirst decreases then increases


View Answer Decreases

Force responsible to hold atoms together in a compound is called ________________?


aBond


bAttractive force


cInteraction


dAll of above represent same entity


View Answer Bond

A specie with maximum number of unpaired electrons ?


aF


bH2O


cHF


dNH-2


View Answer NH-2

Measurement of the degree of polarity is___________________?


aElectron affinity


bIonic character


cIonization energy


dDipole moment


View Answer Dipole moment

In O2 each oxygen atom is hybridized_________________?


asp3


bsp2


csp


dAll


View Answer sp2

Which one is not the absolute term of the element _________________ ?


aIonization energy


bElectron affinity


cElectro negativity


dAtomic size


View Answer Electro negativity

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