Recent questions tagged equilibrium

Three sparingly solube salts $M_2V, MX and MX_3$ have same value of solubility product. Their solubilities follow the order

asked Nov 27, 2013 by mosymeow_1

1 answer

If $K_1$ and $K_2$ are respective equilibrium constants of two reactions: $XeF_6 (g) + H_2O(g) \rightleftharpoons XeOF_4 (g) + 2HF(g)$ and $XeO_4 (g) + XeF_6(g) \rightleftharpoons XeOF_4 (g) + 2XeO_3F_2(g)$ Then equilibrium constant for the reaction $XeO_4(g) + 2HF(g) \rightleftharpoons XeO_3F_2(g) + H_2O(g)$ will be

asked Nov 27, 2013 by mosymeow_1

1 answer

The $pH$ of a dilute solution of acetic acid was found to be 4.3. The addition of a small crystal of sodium acetate will cause $pH$ to

asked Nov 27, 2013 by mosymeow_1

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$\rho H$ of water is 7.0 at 298 K. If water is heated to 350 K, which of the following should be true?

asked Nov 27, 2013 by mosymeow_1

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A solution is obtained by mixing two solutions of same electrolyte with pH = 5 and pH = 3 respectively. The resulting solution has pH

asked Nov 27, 2013 by mosymeow_1

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Degree of dissociation of an acid HCl is 95%. 0.192 g of the acid is present in 0.5 L of solution. The pH of the solution is

asked Nov 23, 2013 by mosymeow_1

1 answer

At a certain temperature, the value of $\rho K_w$ is 13.4 and the measured $\rho H$ of a soltuion is 7. The solution is

asked Nov 23, 2013 by mosymeow_1

1 answer

The pH of pure water at $80^\circ C$ will be

asked Nov 23, 2013 by mosymeow_1

2 answers

If the solubility of $Ag_2CrO_4$ is S mole/litre. Its solubility product is

asked Nov 23, 2013 by mosymeow_1

2 answers

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

asked Nov 23, 2013 by mosymeow_1

1 answer

$NH_4OH$ is a weak base but it becomes still weaker in the aqueous solution of

asked Nov 23, 2013 by mosymeow_1

1 answer

Let the solubilities of AgCl in $H_2O$, 0.01 M $CaCl_2$, 0.01 M NaCl and 0.05 M $AgNO_3$ be $S_1, S_2, S_3 and S_4$ respectively. What is the correct relationship between these quantities?

asked Nov 23, 2013 by mosymeow_1

1 answer

What is the decreasing order of strength of the bases $OH^-, NH_2^- , H-C\equiv C^-$ and $CH_3CH_2^-$ ?

asked Nov 23, 2013 by mosymeow_1

1 answer

Conjugate base of Hydrazoic acid is

asked Nov 23, 2013 by mosymeow_1

2 answers

In which of the following reactions does $NH_3$ acts as an acid?

asked Nov 23, 2013 by mosymeow_1

1 answer

Which of the following can act both as a Bronsted acid and a Bronsted base?

asked Nov 23, 2013 by mosymeow_1

2 answers

Which of the following is a Lewis acid?

asked Nov 23, 2013 by mosymeow_1

1 answer

According to the Lewis acid-base concept

asked Nov 23, 2013 by mosymeow_1

1 answer

Which equilibrium can be described as an acid-base reaction using Lewis acid-base definition but not using Bronsted and Lowry concept?

asked Nov 23, 2013 by mosymeow_1

1 answer

Which one of the following is a Bronsted acid but not a Bronsted base?

asked Nov 23, 2013 by mosymeow_1

1 answer