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प्रश्न
Complete and balance the following chemical equations
`Fe^(2+) + MnO_4^(-) + H^+ ->`
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उत्तर
`5Fe^(2+) + MnO_4^(-) + 8H^(+) -> 5Fe^(3+) + Mn^(2+) + 4H_2O`
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संबंधित प्रश्न
Account for the following:
Mn shows the highest oxidation state of +7 with oxygen but with fluorine, it shows oxidation state of +4.
Account for the following:
Zn is not considered as a transition element.
How is the variability in oxidation states of transition metals different from that of the non-transition metals? Illustrate with examples.
The magnetic nature of elements depends on the presence of unpaired electrons. Identify the configuration of transition element, which shows highest magnetic moment.
EΘ of Cu is + 0.34V while that of Zn is – 0.76V. Explain.
Mention the type of compounds formed when small atoms like H, C and N get trapped inside the crystal lattice of transition metals. Also give physical and chemical characteristics of these compounds.
On the basis of the figure given below, answer the following questions:
- Why Manganese has lower melting point than Chromium?
- Why do transition metals of 3d series have lower melting points as compared to 4d series?
- In the third transition series, identify and name the metal with the highest melting point.
The element with atomic number 46 belongs to
On adding NaOH, solution to the aqueous solution of K2CrO7 the colour of the solution changes from
‘Spin only’ magnetic moment is the same for which of the following ions?
- Ti3+
- Cr2+
- Mn2+
- Fe2+
- Sc3+
Choose the most appropriate answer from the options given below:
