Question

Match Column I with Column II for the oxidation states of the central atoms.

	Column I	Column II
(i)	Ions having positive charge	(a) +7
(ii)	The sum of oxidation number of all atoms in a neutral molecule	(b) –1
(iii)	Oxidation number of hydrogen ion \[\ce{(H+)}\]	(c) +1
(iv)	Oxidation number of fluorine in \[\ce{NaF}\]	(d) 0
(v)	Ions having negative charge	(e) Cation
		(f) Anion

Answer 1

	Column I	Column II
(i)	Ions having positive charge	(e) Cation
(ii)	The sum of oxidation number of all atoms in a neutral molecule	(d) 0
(iii)	Oxidation number of hydrogen ion \[\ce{(H+)}\]	(c) +1
(iv)	Oxidation number of fluorine in \[\ce{NaF}\]	(b) –1
(v)	Ions having negative charge	(f) Anion