Redox and Equivalent ConceptHard

Question

The co-ordination number and oxidation state of Cr in K3[Cr(C2O4)3] are respectively :-

Options

A.3 and + 3
B.2 and 0
C.6 and + 3
D.4 and + 2

Solution

C.N. of Cr = 2 × 3 = 6
3 × 1 + x + 3(- 2) = 0
x - 3 = 0
[x = + 3]

Create a free account to view solution

View Solution Free
Topic: Redox and Equivalent Concept·Practice all Redox and Equivalent Concept questions

More Redox and Equivalent Concept Questions

For the redox reaction MnO4 + C2O4- + H → Mn2+ + CO2 + H2OThe correct coefficiemnts of the reaction for the balanc...H2O2 disproportionates into H2O and O2. The equivalent weight of H2O2 in this reaction is...Equivalent weight of a metal is 18.67. When it reacts with chlorine, the mass of metal which will form 162.52 g of metal...KMnO4 reacts with oxalic acid according to the equation2MnO4- + 5C2O42- + 16H+ → 2Mn2+ + 10 CO2 + 8 H2OHere, 20 mL...Column - I Column-IIRedox Process n factor for underlined(a) As2S3 → AsO4- + SO4-2 (p) 4/3(b) I2 → I- + IO3-...