Q.

‘A’ and ‘B’ are two volatile liquids.A mixture of ‘A’ and'B' is prepared.A graph is plotted between vapour pressure of liquid mixture and mole fraction. The following plot is obtainedFrom the graphical represent identify the liquid mixture

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C6H14+C7H16

HNO3+H2O

C2H5OH+CS2

C6H5NH2+C6H5OH

answer is C.

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Detailed Solution

From the graph it is evident that A) ptotal>pA+pBB) pA>pAoxAC) pB>pBoxBThe liquid mixture shows positive deviations from Raoult's law.The H-bonds of C2H5OH are weakened by the addition of CS2. A-B interactions are weaker than A-A and B-B interactions.

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