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Solubility products (K(sp)) of the salts...

Solubility products `(K_(sp))` of the salts of types MX, `MX_2` and `M_3X` at temperature T are `4.0xx10^(-8), 3.2xx10^(-14)` and `2.7xx10^(-15)` respectively. Solubilities (in mol `dm^(-3)`) of the salts at temperature T are in the order

A

`MX gt MX_2 gt M_3X`

B

`M_3X gt MX_2 gt MX`

C

`MX_2 gt M_3X gt MX`

D

`MX gt M_3X gt MX_2`

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Solubility product constant (K_(sp)) of salts of type MX MX_2 & M_3X at temperature TK are 4.0xx10^(-8) , 3.2xx10^(-14) & 2.7xx10^(-15) respectively. Solubility (mol dm^(-3)) of the salts at temperature T are in the order-

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The solubility products of silver bromide, silver cyanide, silver chromate annd silver chloride are 7.7xx10^(-13),2.2xx10^(-12),9xx10^(-12) annd 1.56xx10^(-10) , respectively. If a dilute solution of silver nitrate is added drop by drop by drop to a solution containing equal concentrations of potassium bromide, potassium cyanide, potassium chromate and potassium chloride, then which silver salt will precipitate first and which one at last?

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Calculate the approximate pH of 0.1 M aqueous H_2S solution. K_1 and k_2 for H_2S are 1.0 xx 10^(-7) and 1.3 xx 10^(-13) respectively at 25^@C

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