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When the substances Si, \( \mathrm{KCl}, \mathrm{CH}_{3} \mathrm{OH} \) and \( \mathrm{C}_{2} \mathrm{H}_{6} \) are arranged in order of increasing melting
\( \mathrm{P} \) point, what is the correct order?
(a) \( \mathrm{Si}, \mathrm{KCl}, \mathrm{CH}_{3} \mathrm{OH}, \mathrm{C}_{2} \mathrm{H}_{6} \)
(b) \( \mathrm{CH}_{3} \mathrm{OH}, \mathrm{C}_{2} \mathrm{H}_{6}, \mathrm{Si}, \mathrm{KCl} \)
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(c) \( \mathrm{KCl}, \mathrm{Si}, \mathrm{C}_{2} \mathrm{H}_{6}, \mathrm{CH}_{3} \mathrm{OH} \)
(d) \( \mathrm{C}_{2} \mathrm{H}_{6}, \mathrm{CH}_{3} \mathrm{OH}, \mathrm{KCl}, \mathrm{Si} \)
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