1.

CH_3COOH is titrated in the NaOH solution which of the following statements is correct for such titration?

Answer»

Conductance increases upto equivalence POINT, then it decreases.
Conductance decreases upto equivalence point, then it increases.
First conductance increases SLOWLY upto equivalence point and then increases rapidly.
Before the equivalent point, there exists buffer solution.

Solution :`CH_3COOH " VS " NaOH`
`CH_3COOH ` weak acid ( dissociated less extent )
NaOH is strong Base ( dissociate large extent )
`CH_3COOH + NaOH to Ch_3COONa + H_2O`
`CH_3COOH + CH_3COONa` ACIDIC buffer
`:.` E.M.F conductance increases slowly upto equivalence point and then increases rapidly . Therefore equivalence pointthere exist is acidic buffer


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