The increasing order of melting points of the halides NaCl, CuCl and NaF is: · ABC26IN0463
Subject: Inorganic Chemistry · Chapter: Main Group Elements · Topic: Main Group Element – General · Exam: GATE 2005-2021 · Marks: 2 · Difficulty: Hard
The increasing order of melting points of the halides $\mathrm{NaCl}, \mathrm{CuCl}$ and NaF is:
(a)$\mathrm{CuCl}<\mathrm{NaCl}<\mathrm{NaF}$
(b)$\mathrm{NaF}<\mathrm{NaCl}<\mathrm{CuCl}$
(c)$\mathrm{NaF}<\mathrm{CuCl}<\mathrm{NaCl}$
(d)$\mathrm{CuCl}<\mathrm{NaF}<\mathrm{NaCl}$
Answer
Answer: A ✓ checked by 4AB · confidence high
Explanation
Melting points: CuCl (430 °C, covalent) < NaCl (801 °C) < NaF (993 °C) (a).
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