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AIIMS 2013 Chemistry Question Paper for free online practice with solutions

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Question : 29

Total: 60

Boiling point of benzene is 353.23 K. When 1.8 g of non-volatile solute is dissolved.in 90 g of benzene. Then boiling point is raised to 354.11 K. Given Kb(benzene)=2.53 kg mol−1. The molecular mass of non-volatile substance is

58 mol−1
120 mol−1
116 mol−1
60 mol−1

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