InterviewSolution
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InterviewSolution
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The correct order for the wavelengths of absorption in the visible region for the following `:` `underset((1))([Ni(NO_(2))_(6)]^(4-))," "underset((II))([Ni(NH_(3))_(6)]^(2+))," "underset((III))([Ni(H_(2)O)_(6)]^(2+))," "underset((IV))([NIF_(6)]^(4-))`A. `IV gt III gt II gt I`B. `I gt II gt III gt IV`C. `III gt IV gt II gt I`D. `II gt III gt I gt IV` |
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Answer» Correct Answer - 1 The order of the ligand in the spectrochemical series `:` `F lt H_(2)O lt NH_(3) lt NO_(2)` Hence the wavelength of the light observed will be in the order `:` `[NiF_(6)]^(4-) lt [Ni(H_(2)O)_(6)]^(2+) lt [Ni(NH_(3))_(6)]^(42+) lt [Ni(NO_(2))_(6)]^(4-)` Thus, wavelength absorbed `[E=(hc)/(lambda)]` will be in the opposite order. |
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