Chemistry · Quantum mechanical approach to covalent bonding: Valence bond theory its important features, the concept of hybridization involving s, p and d orbitals, resonance
Which of the following arrangements is correct on the basis of the increasing ch
Which of the following arrangements is correct on the basis of the increasing \( \mathrm{p} \) character of the hybrid orbitals of the central atoms in the following: \( C l O_{2}^{-} \) \( \boldsymbol{C S}_{2} \) \( \boldsymbol{S} \boldsymbol{n} \boldsymbol{C l}_{2} \)
- A. \( I<I I I<I I \)
- B. \( I I>I>I I I \)
- C. \( I>I I>I I I \)
- D. \( I I I>I>I I \)
Step-by-step solution
CS2 has sp hybridization (50% p character). ClO2- has sp3 hybridization (75% p character). SnCl2 has a bond angle of ~95°, indicating nearly pure p bonding orbitals (close to 100% p character due to the inert pair effect). Thus, increasing p character: CS2 < ClO2- < SnCl2, which corresponds to II < I < III, or equivalently III > I > II.
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