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Solubility product constant (K(sp)) of s...

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-

A

`MXgtMX_2gtM_3X`

B

`M_3XgtMX_2gtMX`

C

`MX_2gtM_2XgtMX`

D

`MXgtM_3XgtMX_2`

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The correct Answer is:
D
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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

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The solubility product of a binary weak electrolyte is 4xx10^-10 at 298K. Its solubility in mol dm^(-3) at the same temperature is

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At a given temperature, if the solubility products for MX, MA_2 and M_3B_2 in water are 10^(-16) , 10^(-22) and 10^(-33) respectively and their solubilities are S_1,S_2 and S_3 mol L^(-1) respectively, then-

At 25^(@)C temperature, the molar concentrations of NH_(3),NH_(4)^(+) and OH^(-) at equilibrium are 9.6xx10^(-3)(M),4.0xx10^(-4)(M) and 4.0xx10^(-4)(M) respectively. Determine the ionisation constant of NH_(3) at that temperature.

The molar specific heat of an ideal gas at constant pressure is C_(p) = 5/2 R . Some amount of this gas in a closed container has a volume 0.0083 m^(3) , a temperature 300 K and a pressure 1.6 xx 10^(6) N cdot m^(-2) . If 2.49 xx 10^(4) J 1 of heat is supplied at a constant volume of the gas, find out the final temperature and pressure. Given, R = 8.3 J cdot mol^(-1) cdot K^(-1) .

CHHAYA PUBLICATION-EQUILIBRIUM-SINGLE CORRECT TYPE (MCQ HOTSPOT)
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