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JEE Main Chemistry Class 11 Solutions Part 2 Questions

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Question : 4

Total: 80

Considering acetic acid dissociates in water, its dissociation constant is 6.25×10−5. If 5‌mL of acetic acid is dissolved in 1 litre water, the solution will freeze at −x×10−2‌∘C, provided pure water freezes at 0‌∘C.
x= _______ . (Nearest integer)
Given : (Kf)‌water ‌=1.86K‌kg‌mol−1.
density of acetic acid is 1.2gmol−1
molar mass of water =18gmol−1.
molar mass of acetic acid =60gmol−1.
density of water =1gcm−3
Acetic acid dissociates as
CH3‌COOH⇌CH3COO⊕+H⊕

[5 Apr 2024 Shift 2]

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