Equilibrium Tes...

Which one of the following pairs of solution is not an acidic buffer?

At $90^o C$, pure water has $[H^{+}]=10^{-6}M$. The value of $K_w$ at $90^o C$ is __________.

Which of the following according to Le-Chatelier's principle is correct?

The degree of dissociation of $P{ Cl }_{ 5 }\left( \alpha  \right)$ obeying the equilibrium $P{ Cl }_{ 5 }\rightleftharpoons P{ Cl }_{ 3 }+{ Cl }_{ 2 }$ is related to the equilibrium pressure by

In a chemical system, $A(s)\rightleftharpoons 2B(g)+3C(g)$, if partial pressure of $C$ is doubled, then partial pressure of $B$ will be:

In a sample of pure water, which one of the following statements is always true at all conditions of temperature and pressure.

 Buffer Solution is prepared by mixing _________________.

Which of the following mixtures in aqueous solution of equimolar concentration acts as a buffer solution?

$H_{2}O$ is a:

A solution which maintains constant pH when small amounts of acid or alkali are added is known as ____.