1.

The heats of neutralisation of CH_3 - COOH , H-COOH,HCN and H_2 S are -13.2,-13.4, -2.9,"and" -3.8 kcal/equivalent respectively. The CORRECT increasing order of acid strength is____________.

Answer»

`HCOOHltCH_3 COOHlt H_2 SltHCN`
`HCNltH_2SltCH_3-COOHltH-COOH`
`HCOOHltCH_3COOHltHCNltH_2S`
`CH_3 -COOHltH_2SltHCNltH-COOH`

ANSWER :B


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