Chemistry MCQs

Page No. 82

On sp3 hybridization ________________?


aAll p-orbitals are involved


bOne s and 3 p-orbitals are involved


cone p-orbital is involved


dfour p-orbitals are involved



Geometry of molecule will be pyramidal if the outer post shell of the central atom has___________________?


a3 bond pair one lone pair


b2 bond pair 2 lone pair


c1 bond pair 3 lone pair


d3 lone pair 1 bond pair



Orbitals of same energy produced after mixing of orbitals of different energy are called __________________?


aDegenerate orbitals


bGenerate orbitals


cHybrid orbitals


dZeeman orbitals


View Answer Degenerate orbitals

Sharing of 1 electron pair by one specie forms_________________?


aSingle covalent bond


bHydrogen bond


cDouble covalent bond


dCoordinate covalent bond



Which one of the following has polar covalent bond ?


aHF


bCH4


cH2


dN2


View Answer HF

Bond will beionic when E.N difference of bonded atom is ____________________?


aEqual to 1.7


bGreater than 1.7


cLess than 1.7


dNo specificity exists


View Answer Greater than 1.7

Ionic bond is produced after complete transfer of ________________ ?


aNucleus


bNeutrons


cElectrons


dProtons


View Answer Electrons

In a period electronegativity from left to right_________________?


aIncreases


bDecreases


cNo change


dVariable trend


View Answer Increases

Elements having high I.P values are____________________?


aMetals


bNon metals


cLiquids


dSolids


View Answer Non metals

Ionization energy in a period generally ___________________?


aIncreases


b Decreases


cNo change


dVariable trend


View Answer Increases

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