Column-I (Nature of hydride)	Column-II (Groups of periodic table)
(p) Electron precise	(i) Be, Mg and group 13
(q) Electron rich	(ii) Groups 15,16,17
(r) Electron deficient	(iii) Group 14

• A

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

• B

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

• C

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

• D

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