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1.Solution and Colligative properties
hard
Which of the following mixture shows positive deviation by ideal behaviour
A
$CHC{l_3} + {(C{H_3})_2}CO$
B
${C_6}{H_6} + {C_6}{H_5}C{H_3}$
C
${H_2}O + HCl$
D
$CC{l_4} + CHC{l_3}$
Solution
$A.CHCl { }_3+\left( CH _3\right)_2 O$
Presence of strong $H$-bonding leading negative deviation from Raoult's law.
$(B) \cdot C _6 H _6+ C _6 H _5 CH _3 \Rightarrow$ ideal solution.
$(C). H _2 O + HCl \Rightarrow$ Water and hydrochloric acid form miscible solutions. They show no deviation
$(D) CCl _4+ CHCl _3$ due to presence of Difference in polarity they exhibit $+ve$ deviation from Raoult's law
Standard 12
Chemistry
