ABC26IN0142 · Coordination Chemistry

Subject: Inorganic Chemistry · Chapter: Coordination Chemistry · Topic: Stability Chelate Effect · Exam: CSIR-NET 2018 · Marks: 2 · Difficulty: Medium

Consider the following reaction:
\[ \mathrm{Hg}^{2+}(\mathrm{aq}) + \mathrm{X}^{-}(\mathrm{aq}) = [\mathrm{HgX}]^{+}(\mathrm{aq}) \]
The stability constants for $[\mathrm{HgX}]^{+}(\mathrm{aq})$ for $\mathrm{X} = \mathrm{F}, \mathrm{Cl}$ and $\mathrm{Br}$ follow the order
(a)$\mathrm{F} < \mathrm{Cl} < \mathrm{Br}$
(b)$\mathrm{Br}<\mathrm{Cl}<\mathrm{F}$
(c)$\mathrm{Cl} < \mathrm{Br} < \mathrm{F}$
(d)$\mathrm{Br} < \mathrm{F} < \mathrm{Cl}$
Answer
Answer (as printed): A
Explanation
No explanation was printed for this question.

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