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R G PUBLICATION-THE d-AND f-BLOCK ELEMENTS-EXERCISE
- What happens when potassium dichromate reacts with H2S and KI in acidi...
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- Indicate the steps in the preparation of KMnO4.
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- Write the cause of lenthanide contraction.
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- Actinoid contraction is greater from element to element than lanthanoi...
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- What is meant by disproporation'. Give two examples of disproporationa...
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- Compare the chemistry of actinoids with that of the lanthanoids with s...
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- Write three applications of d-block elements.
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- Explain the following: Cu(I) ion is not known is aquous solution
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- How would you account for the following? The enthalpies of atomization...
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- Explain the following: Co (II) is stable in aquous solution but in the...
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- Explain the following: The oxidizing power of oxoanions are in the ord...
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- Explain the following: The colour of potassium dichromate
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- What happens when: Copper sulphate reacts with potassium iodide
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- What happens when: Potassium permanganate is heated to 513K
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- What happens when: What happens when: Oxalic acid react with KMnO4 in ...
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- What happens when: KMnO4 reacts with KI in basic medium.
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- What happens when: Manganous salt oxidised by KMnO4 in presence of ZnO...
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- Why is the highest oxidation state of a metal exhibited in its oxide o...
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- How would you account for irregular variation of 1st and 2nd ionisatio...
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- In the first transition series of elements, which element shows highes...
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