Question

(c) o
(d) + 4
69.
58. Oxidation state of oxygen in hydrogen peroxide is
IDPMT 1984; 91; CPMT 1988; MNR 1994;
UPSEAT 2001; RPMT 2002; JEE Orissa 2004]
(a)-1
(b) + 1
70.
(c) o
(d) - 2
59. The oxidation number of Cr in K, Cr,0, is
ICPMT 1981, 85, 90, 93, 99: KCET 1992;
BHU 1988, 98; AFMC 1991, 99; EAMCET 1986;
MP PMT 1996, 99, 2002; MP PET/PMT 1998;
Bihar CEE 1995; RPET 2000]
(a) +6
(b) - 7
(c) +2
(d) - 2
60. In which of the following compounds transition
metal is in oxidation state zero INCERT 1982]
(a) ICONILK (b) [Fell1.0), SO.1
(e) IMCO)
(a) [Fe(ll,0);OH),​

Answer 1

Answer:

58--oxidation no. is -1

59-- complete compounds is not mentioned.

60-- question mentioned clearly.