Consider the following structures:

Which of the following options correctly compares the bond angles?
1. θ1>θ2>θ3>θ4
2 θ1>θ3>θ4>θ2
3. θ3>θ1>θ2>θ4
4. θ1>θ3>θ2>θ4
Subtopic:  V.S.E.P.R & V.B.T |
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NEET 2026 - Target Batch - Vital
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NEET 2026 - Target Batch - Vital

Which among the following concepts is not introduced by the Valence Bond theory?
1. Partial ionic character of a covalent bond. 
2. The number of lone pairs and bond pairs of electrons decide the shape of the molecules.
3. Delocalisation of electrons over two nuclei. 
4. Shielding effect of electrons.
Subtopic:  V.S.E.P.R & V.B.T |
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Which of the following correctly represents the decreasing order of bond angles for NH₃, PH₃, NF₃, and PF₃?

1. NH3 > PH3 > NF3  > PF3   

2. NH3 > NF3 >  PH3  > PF3  

3. NH3 > NF3 >  PF3  > PH3   

4. NH3 > PF3 > NF3  > PH3

Subtopic:  V.S.E.P.R & V.B.T |
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Assertion(A): SF4 has two significant lp-bp repulsions.
Reason(R): Its shape is a see-saw.

1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R is not the correct explanation of A.
3. A is true and R is false.
4. A and R both are false.
Subtopic:  V.S.E.P.R & V.B.T |
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