NEET Practice Questions (MCQs) with Answers & Solutions

$\frac{{\mathrm{K}}_{\mathrm{p}}}{{\mathrm{K}}_{\mathrm{c}}}$ for the gaseous reaction:

$$\begin{gathered} \mathrm{I}. 2\mathrm{A} + 3\mathrm{B} \rightleftharpoons 2\mathrm{C} \\ \mathrm{II}. 2\mathrm{A}\rightleftharpoons 4\mathrm{B} \\ \mathrm{III}. \mathrm{A}+\mathrm{B}+2\mathrm{C} \rightleftharpoons 4\mathrm{D} \end{gathered}$$

Would be respectively:

N₂O₄ dissociates as ${\mathrm{N}}_2{\mathrm{O}}_4\left(\mathrm{g}\right)\rightleftharpoons 2{\mathrm{NO}}_2\left(\mathrm{g}\right)$ at 273 K and 2 atm pressure. The equilibrium mixture has a vapour density of 41. What will be the percentage degree of dissociation ?

On the adding inert gas to the equilibrium ${\mathrm{PCl}}_5\left(\mathrm{g}\right)\rightleftharpoons {\mathrm{PCl}}_3\left(\mathrm{g}\right) + {\mathrm{Cl}}_2\left(\mathrm{g}\right)$ at constant pressure. The degree of dissociation will :

The stability product constant K_sp of Mg(OH)₂ is 9.0 X 10^-12. If a solution is 0.010 M with respect to Mg²⁺ ion, waht is the maximum hydroxide ion concentration which could be present without causing the precipitation of Mg(OH)₂

Which may be added to one litre of water to act as a buffer

Acoording to Bronsted-Lowry concept, the correct order of relative strength of bases follows the order

pOH of H₂O is 7.0 at 298K. If water is heated at 350K, which of the following statement should be true ?

In which case following equilibrium can't be established:

CaCO₃(s) $\rightleftharpoons$CaO(s) + CO₂(g)

Solubility product constant (K_sp) of salts of types MX,MX₂ and M₃X at temperature T are 4.0 X 10^-8, 3.2 X 10^-14 and 2.7 X 10^-15 respectively. Solublities(mol dm^-3) of the salts at temperature T are the order:

At 25$°$C the specific conductance of sturated solution of AgCl is 2.3 X 10-6 ohm^-1cm^-1. What will be the solubility of AgCl at 25$°$C if iconic conductances of ${\mathrm{Ag}}^{\oplus }$ and ${\mathrm{Cl}}^{⊝}$ at infinite dilution are 61.9 and 76.3 ohm^-1cm²mol^-1 respectively.