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Questions  >>  JEEMAIN and NEET  >>  Chemistry  >>  Equilibrium
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Q)

For the percipitation of cations of group four in the qualitative analysis, the medium is made alkaline before passing $H_2S$ gas. The purpose of alkaline Solution is

(a) to supress the ionisation of $H_2S$

(b) to increase the ionisation of $H_2S$

(c) to increase the ionisation of metal salt

(d) to decrease the ionisation of metal salt.

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