In the reaction: `H_(2)S hArr 2H^(+) + S^(-)`, when `NH_(4)OH` is added, thenA. `S^(--)` is precipitateB. No reaction takes placesC. Concentration of `S^(--)` decreasesD. Concetration of `S^(-)` increases

In the reaction: `H_(2)S hArr 2H^(+) + S^(-)`, when `NH_(4)OH` is adde

1.	In the reaction: `H_(2)S hArr 2H^(+) + S^(-)`, when `NH_(4)OH` is added, thenA. `S^(--)` is precipitateB. No reaction takes placesC. Concentration of `S^(--)` decreasesD. Concetration of `S^(-)` increases
Answer» Correct Answer - D In `IV^(th)` group the `S^(2-)` concentration increase when added the `NH_(4)OH` because `NH_(4)OH hArr NH_(4)^(+) + OH^(-)` `H_(2)S hArr 2H^(+) + S^(2-)` `OH^(-) + H^(+) hArr H_(2)O`. So that `S^(2-)` is increased.

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In the reaction: `H_(2)S hArr 2H^(+) + S^(-)`, when `NH_(4)OH` is added, thenA. `S^(--)` is precipitateB. No reaction takes placesC. Concentration of `S^(--)` decreasesD. Concetration of `S^(-)` increases

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