The number of species from the following having +2 oxidation state of metal ion is. FeO , Fe 2 O 3, CuI , CuO , SnCl 2, SnCl 4, Hg 2 Cl 2, HgCl 2

Question

The number of species from the following having +2 oxidation state of metal ion is. FeO , Fe 2 O 3, CuI , CuO , SnCl 2, SnCl 4, Hg 2 Cl 2, HgCl 2 (A)  (B)  (C)  (D)

Tardigrade Admin · Accepted Answer

Compound Oxidation state of metal ion. FeO +2 Fe 2 O 3 +3 CuI +1 CuO +2 SnCl2 +2 SnCl4 +4 Hg2Cl2 +1 HgCl2 +2

Compound	Oxidation state of metal ion.
$F e O$	$+ 2$
$F e_{2} O_{3}$	$+ 3$
$C u I$	$+ 1$
$C u O$	$+ 2$
$S n C l_{2}$	$+ 2$
$S n C l_{4}$	$+ 4$
$H g_{2} C l_{2}$	$+ 1$
$H g C l_{2}$	$+ 2$

Q. The number of species from the following having +2 oxidation state of metal ion is________. FeO,Fe2​O3​,CuI,CuO,SnCl2​,SnCl4​,Hg2​Cl2​,HgCl2​

Compound Oxidation state of metal ion. FeO +2 Fe2​O3​ +3 CuI +1 CuO +2 SnCl2​ +2 SnCl4​ +4 Hg2​Cl2​ +1 HgCl2​ +2

Q. The number of species from the following having $+ 2$ oxidation state of metal ion is________.
$F e O, F e_{2} O_{3}, C u I, C u O, S n C l_{2}, S n C l_{4}, H g_{2} C l_{2}, H g C l_{2}$

Compound Oxidation state of metal ion.

$F e O$ $+ 2$

$F e_{2} O_{3}$ $+ 3$

$C u I$ $+ 1$

$C u O$ $+ 2$

$S n C l_{2}$ $+ 2$

$S n C l_{4}$ $+ 4$

$H g_{2} C l_{2}$ $+ 1$

$H g C l_{2}$ $+ 2$