Comprehension : On mixing two components A and \( B \) to form a non-ideal solution, final solut...

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Comprehension
: On mixing two components A and \( B \) to form a non-ideal solution, final solution becomes cold. ( \( F= \) intermolecular force of attraction).
Correct statement about final solution is
(a) Evolution of some heat takes place.
(b) \( \mathrm{F}_{\mathrm{A}-\mathrm{B}}\mathrm{F}_{\mathrm{A}-\mathrm{A}} \) and \( \mathrm{F}_{\mathrm{A}-\mathrm{B}}\mathrm{F}_{\mathrm{B}-\mathrm{B}} \).
(c) Intermolecular \( \mathrm{H} \)-bonds may be broken out.
(d) Contraction of volume takes place.
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