InterviewSolution
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InterviewSolution
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(a) Account for the following : (i) `Cu^(+)` is unstable in an aqueous solution. (ii) Transition metals form complex compounds. (b) Complete the following equation: `Cr_(2)O_(7)^(2-)+8H^(+)+3NO_(2)^(-)rarr` |
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Answer» (ii) Becuase of smaller size of their metal ions. Their high ionic charges. Vacand d-orbital so that these orbitals can accept lone pairs of e-donated byligonads and form coordinate bond. (b) `Cr_(2)O_(7)^(2-)+8H^(+)+3NO_(2)^(-)rarr3NO_(3)^(-)+2Cr_(3)^(+)+4H_(2)O` |
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