Paper: CSIR-NET June 2011 · Subject: Inorganic Chemistry · Chapter: Inorganic Spectroscopy · Topic: Inorganic Spectroscopy – General · Marks: 2 · Difficulty: Medium
Consider the compounds, (A) $\mathrm{SnF}_{4}(\mathrm{B}) \mathrm{SnCl}_{4}$ and (C) $\mathrm{R}_{3} \mathrm{SnCl}$. The nuclear quadrupole splitting are observed for.
(a)(A), (B) and (C)
(b)(A) and (B) only
(c)(B) and (C) only
(d)(A) and (C) only
Answer
Answer: D ✓ checked by 4AB · confidence high
The source book printed C; on checking, D is correct — see the explanation.
Explanation
¹¹⁹Sn quadrupole splitting needs an asymmetric electric field: R₃SnCl (trigonal-bipyramidal/asymmetric) and polymeric SnF₄ (octahedral Sn with two terminal and four bridging F) show it; tetrahedral SnCl₄ does not.