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CHHAYA PUBLICATION-D - AND F - BLOCK ELEMENTS -PRACTICE SET 8 (Answer the following questions)
- Why are most transition metal ions paramagnetic ?
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- Among Fe^(2+) and Fe^(3+), which is more stable ? Why ?
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- Why is KMnO(4) kept in dark coloured bottles ?
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- What happens when KMnO(4) reacts with conc. HCl ?
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- Why does V(2)O(5) act as a catalyst ?
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- Why can Ce^(3+) get oxidised to Ce^(4+) readily ?
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- Is silver a transition element ? Given reason.
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- What happens when hydrogen sulphide is added to acidified potassium di...
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- The colour of the complex of d - block elements depends on the nature ...
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- Calculate spin only magnetic moment of Fe^(3+) ion.
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