When 12.2 {g} of benzoic acid is dissolved in 100 {g} of water, the freezing point of solution was found to be -0.93^{\circ} {C}( {K}_{f}( {H}_{2} {O})=1.86 {Kkg} {mol}^{-1} ). The number (n) of benzoic acid molecules associated (assuming 100 \% association) is ......... . [26 Feb 2021 Shift 2]

JEE Main 26 Feb 2021 Shift 2 Solved Paper

Section: Chemistry

Question : 53 of 89

Marks: +1, -0

When 12.2g of benzoic acid is dissolved in 100g of water, the freezing point of solution was found to be −0.93∘C(Kf(H2O)=1.86Kkg mol−1 ). The number (n) of benzoic acid molecules associated (assuming 100% association) is ......... .

[26 Feb 2021 Shift 2]

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