In which of the following process entropy increases
a) Rusting of Iron
b) Vapourisation of camphor
c) Crystallization of sugar from syrup
d) Atomisation of dihydrogen

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d only

b and d

a and b

a, b and c

answer is B.

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Detailed Solution

(b)In vapourisation of camphor, we go from solid to gaseous state therefore randomness increases and entropy increases.
(d) H₂(g)→2H(g)
No. of gaseous substances increase Therefore entropy increases.

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