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Answer the following questions: a. [Ni...

Answer the following questions:
a. `[Ni(H_2O)_6]^(2+)` is green in colour wheres `[Ni(H_2O)_4.(en)]^(2+)`(aq) is blue in colour , give reason in support of your answer.

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CBSE MODEL PAPER-SAMPLE PAPER 2022 TERM II-SECTION-B
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  2. Convert the following: Propanenitrile to ethanol.

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  3. Answer the following questions: a. [Ni(H2O)6]^(2+) is green in colou...

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  4. Answer the following questions : Write the formula and hybridization...

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  6. In a coordination entity, the electronic configuration of the central ...

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  7. Account for the following: Ti(IV) is more stable than the Ti (II) or...

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  8. Account for the following: In case of transition elements, ions of t...

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  9. Account for the following: Zinc is a comparatively a soft metal, iro...

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  10. An alkene ‘A’ (Mol. formula C5H(10) )on ozonolysis gives a mixture of ...

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  11. Observe the figure given below and answer the questions that follow: ...

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  12. Observe the figure given below and answer the questions that follow: ...

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  13. Observe the figure given below and answer the questions that follow: ...

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  14. What happens when reactions: N-ethylethanamine reacts with benzenes...

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  15. What happens when reactions: Benzylchloride is treated with ammoni...

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  16. What happens when reactions: Aniline reacts with chloroform in the ...

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  17. Write the IUPAC name for the following organic compound:

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  18. Complete the following C(6)H(5)NO(2)overset(Sn//HCl)rarr A overset(B...

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  19. Represent the cell in which the following reaction takes place.The val...

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  20. Why are fluorides of transition metals more stable in their higher oxi...

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