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VITEEE 2023 Solved Paper

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Question : 39

Total: 125

Values of dissociation constant, Ka are given as follows.

‌ Acid ‌‌‌ Ka ‌
HCN‌‌‌‌‌‌‌6.2×10−10
HF‌‌‌‌‌‌‌‌‌‌7.2×10−4
HNO2‌‌‌‌‌‌4.0×10−4
Correct order of increasing base strength of the base CN− , F− and NO2− will be :

F<CN−<NO2−
NO2−<CN−<F−
F<NO2−<CN−
NO2−<F−<CN−

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