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प्रश्न
Complete and balance the following chemical equations
`MnO_4^(-) + H_2O + I^(-) ->`
उत्तर
`2MnO_4^(-) + H_2O + I^(-) -> 2MnO_2 + 2OH^(-) + IO_3^-`
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संबंधित प्रश्न
Which metal in the first transition series (3d series) exhibits + 1 oxidation state most frequently and why?
Which of the following cations are coloured in aqueous solutions and why ?
Sc3+, V3+, Ti4+, Mn2+ (At. Nos. Sc = 21, V = 23, Ti = 22, Mn = 25)
Explain why Cu+ ion is not stable in aqueous solutions?
Which of the d-block elements may not be regarded as the transition elements?
Predict which of the following will be coloured in the aqueous solution?
Ti3+, V3+, Cu+, Sc3+, Mn2+, Fe3+ and Co2+. Give reasons for each.
How would you account for the following:
The d1 configuration is very unstable in ions.
Metallic radii of some transition elements are given below. Which of these elements will have highest density?
| Element | \[\ce{Fe}\] | \[\ce{Co}\] | \[\ce{Ni}\] | \[\ce{Cu}\] |
| Metallic radii/pm | 126 | 125 | 125 | 128 |
The element with atomic number 46 belongs to
Why Zn, Cd and Hg are not called transition metals?
Account for the following:
Eu2+ with electronic configuration [Xe]4f76s2 is a strong reducing agent.
