JEE Main | 2026Mole ConceptHard

Question

Elements P and Q form two types of non-volatile, non-ionizable compounds PQ and . When 1 g of PQ is dissolved in 50 g of solvent ' A '. was 1.176 K while when 1 g of is dissolved in 50 g of solvent ' A ', was 0.689 K . ( of ' A ' ). The molar masses of elements P and Q (in ) respectively, are :

Options

A.70,110
B.65,145
C.60,25
D.25,60

Solution

Let molar mass of are and respectively

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