JEE Main 2026 Model Paper 1

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Question : 47 of 75
 
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A certain substance A tetramerises in water to the extent of 80%. A solution of 5 gm of A in 100 gm of water lowers the freezing point by 0.6∘C. Then molar mass of A is (in gmmol−1 )
[Kf=1.86KmolKg−1]
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