Match each of the reactions given in Column I with the corresponding product(s) given in Column II:
| Column I | Column II | ||
|---|---|---|---|
| (A) | $$\mathrm{Cu+dil.~HNO_3}$$ | (P) | $$\mathrm{NO}$$ |
| (B) | $$\mathrm{Cu+conc.~HNO_3}$$ | (Q) | $$\mathrm{NO_2}$$ |
| (C) | $$\mathrm{Zn+dil.~HNO_3}$$ | (R) | $$\mathrm{N_2O}$$ |
| (D) | $$\mathrm{Zn+conc.~HNO_3}$$ | (S) | $$\mathrm{Cu(NO_3)_2}$$ |
| (T) | $$\mathrm{Zn(NO_3)_2}$$ |
The reaction of P$$_4$$ with X leads selectively to P$$_4$$O$$_6$$. The X is
Statement 1 : Pb$$^{4+}$$ compounds are stronger oxidising agents than Sn$$^{4+}$$ compounds.
and
Statement 2 : The higher oxidation states for the group 14 elements are more stable for the heavier members of the group due to 'inert pair effect'.
There are some deposits of nitrates and phosphates in earth's crust. Nitrates are more soluble in water. Nitrates are difficult to reduce under the laboratory conditions but microbes do it easily. Ammonia forms large number of complexes with transition metal ions. Hybridisation easily explains the ease of sigma donation capability of NH$$_3$$ and PH$$_3$$. Phosphine is a flammable gas and is prepared from white phosphorus.
Among the following, the correct statement is: