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How many pair...

Question

How many pair(s) among the following show positive deviation from ideal behaviour? ___
(A) Acetone and Benzene
(B) HCl and Water
(C) Ethyl alcohol and Water
(D) $C C l_{4}$ and $C H C l_{3}$
(E) Ethyl chloride and Ethyl bromide
(F) Water and $H C l O_{4}$

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Solution

(A) Acetone and Benzene
(C) Ethyl alcohol and Water
(D) $C C l_{4}$ and $C H C l_{3}$

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