Chemistry MCQs

Page No. 82

On sp3 hybridization ________________?


aAll p-orbitals are involved

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bOne s and 3 p-orbitals are involved

✓


cone p-orbital is involved

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dfour p-orbitals are involved

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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

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c1 bond pair 3 lone pair

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d3 lone pair 1 bond pair

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


aDegenerate orbitals

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bGenerate orbitals

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cHybrid orbitals

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dZeeman orbitals

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View Answer Degenerate orbitals

Sharing of 1 electron pair by one specie forms_________________?


aSingle covalent bond

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bHydrogen bond

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cDouble covalent bond

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dCoordinate covalent bond

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Which one of the following has polar covalent bond ?


aHF

✓


bCH4

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cH2

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dN2

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View Answer HF

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


aEqual to 1.7

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bGreater than 1.7

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cLess than 1.7

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dNo specificity exists

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View Answer Greater than 1.7

Ionic bond is produced after complete transfer of ________________ ?


aNucleus

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bNeutrons

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cElectrons

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dProtons

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View Answer Electrons

In a period electronegativity from left to right_________________?


aIncreases

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bDecreases

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cNo change

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dVariable trend

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View Answer Increases

Elements having high I.P values are____________________?


aMetals

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bNon metals

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cLiquids

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dSolids

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View Answer Non metals

Ionization energy in a period generally ___________________?


aIncreases

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b Decreases

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cNo change

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dVariable trend

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View Answer Increases

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