Explanation:
In case of a conjugate acid-base pair,
$\text{K}_{\text{a}}\times\text{K}_{\text{b}}=\text{K}_{\text{w}}.$
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$SO_2Cl_2(g) \rightleftharpoons SO_2(g) + Cl_2(g)$ , what is the temperature at which $\frac{{{K_p}(atm)}}{{{K_c}(M)\,}} = \frac{1}{3}$ ? ......$K$
Assertion $A$ :Magnesium can reduce $Al _{2} O _{3}$ at a temperature below $1350^{\circ} C$, while above $1350^{\circ} C$ aluminium can reduce $MgO$.
Reason $R$ : The melting and boiling points of magnesium are lower than those of aluminium.
In light of the above statements. choose most appropriate answer from the options given below