Column-I	Column-II
(p) [Cr(H2O))6 ] Cl3	(i) Interstitial water
(q) ${\mathrm{BaCl}}_2·2{\mathrm{H}}_2\mathrm{O}$	(ii) Coordinated as well as hydrogen bonded H2O
(r) [Cu(H2O4)]2+ ${\mathrm{SO}}_4^{2-}·{\mathrm{H}}_2\mathrm{O}$	(iii) Coordinated H2O

• A

  (p)$\to$(iii); (q)$\to$(i); (r)$\to$(ii)

• B

  (p)$\to$(ii); (q)$\to$(iii); (r)$\to$(i)

• C

  (p)$\to$(i); (q)$\to$(ii); (r)$\to$(iii)

• D

  (p)$\to$(iii); (q)$\to$(ii); (r)$\to$(i)