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प्रश्न
Write the ionic equation for reaction of KI with acidified KMnO4.
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उत्तर
\[\ce{10l- + 2MnO4- + 16H+ -> 2 Mn^{2+} + 8 H2O + 5I2}\]
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संबंधित प्रश्न
Comment on the statement that elements of the first transition series possess many properties different from those of heavier transition elements.
What can be inferred from the magnetic moment value of the following complex species?
| Example | Magnetic Moment (BM) |
| K2[MnCl4] | 5.9 |
The paramagnetic character in the 3d-transition series elements increases up to Mn and then decreases.
Match the solutions given in Column I and the colours given in Column II.
| Column I (Aqueous solution of salt) |
Column II (Colour) |
| (i) \[\ce{FeSO2.7H2O}\] | (a) Green |
| (ii) \[\ce{NiCl2.4H2O}\] | (b) Light pink |
| (iii) \[\ce{MnCl2.4H2O}\] | (c) Blue |
| (iv) \[\ce{CoC12,6H2O}\] | (d) Pale green |
| (v) \[\ce{Cu2 Cl2}\] | (e) Pink |
| (f) Colourless |
Mention any three processes where transition metals act as catalysts.
Account for the following:
In case of transition elements, ions of the same charge in a given series show progressive decrease in radius with increasing atomic number.
The orientation of an atomic orbital is governed by
Agcl is soluble in NH4OH. The solubility is due to the information of:-
Which of the following ions will exhibit colour in aqueous solution?
Account for the following:
Ce4+ is a strong oxidising agent.
