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Question

Choose the correct code of characteristics for the given order of hybrid orbitals of same atom,
sp<sp2<sp3
(I) Electronegativity
(II) Bond angle between same hybrid orbitals
(III) Size
(IV) Energy level

A
(II),(III),(IV)
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B
(III),(IV)
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C
(II),(IV)
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D
(I),(II),(III),(IV)
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Solution

The correct option is C (III),(IV)
Given Sp<Sp2<Sp3
electronegativity depends on S character, more is the S character, more is the electronegativity. So, the order for electronegativity should be Sp>Sp2>Sp3
bond angle between same hybrid orbitals is in the following order
Sp(180)>Sp2(120)>Sp3(109.5)
Size more Scharactermore compactsmaller size.
So, the given order is correct, Sp<Sp2<Sp3.
Energy levelsince Sorbitals have lower energy closer than p as they allow closer proximity of the e to the nuclear. Thus, more p character more energy. So, the order will be Sp<Sp2<Sp3
Answer:B iii,iv

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