MCQ
According to Le-Chatelier’s principal adding heat to a solid and liquid in equilibrium with endothermic nature will cause the
- ATemperature to rise
- BTemperature to fall
- ✓Amount of solid to decrease
- DAmount of liquid to decrease
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
${I_2}(g)$ $\rightleftharpoons$ $2I(g),\;\Delta H_r^o(298\,K) = + 150\;kJ$
$(A)$ The $pH$ of $1 \times 10^{-8}\,M\,HCl$ solution is $8$.
$(B)$ The conjugate base $H _2 PO _4^{-}$is $HPO _4{ }^{2-}$.
$(C)$ $K _{ w }$ increases with increase in temperature.
$(D)$ When a solution of weak monoprotic acid is titrated against a strong base at half neutralisation point, $pH =\frac{1}{2} pK _{ a }$
Choose the correct answer from the option given below.