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JEE Mains · Chemistry · STD 12 - 5. Co-ordination chemistry

तीन संकर,  \([CoCl(NH_3)_5]^{2+}\, (I)\), \([Co(NH_3)_5H_2O]^{3+}\, (II)\) तथा \([Co(NH_3)_6]^{3+}\, (III)\) दृश्य क्षेत्र में प्रकाश अवशोषित करते हैं। इनके द्वारा अवशोषित प्रकाश के तरंगदैर्घ्य का सही क्रम होगा 

  1. A \((II) > (I) > (III)\)
  2. B \((III) > (II) > (I)\)
  3. C \((I) > (II) > (III)\)
  4. D \((III) > (I) > (II)\)
Verified Solution

Answer & Solution

Correct Answer

(C) \((I) > (II) > (III)\)

Step-by-step Solution

Detailed explanation

As we known that Strong ligand \(\alpha \) \(CFSE\) \(\alpha \) \({E_{absorbed}}\,\propto \,\frac{1}{{{\lambda _{absorbed}}}}\) We have \(\mathop {{{[CoCl{{(N{H_3})}_5}]}^{2 + }}}\limits_{(I)} ,\) \(\mathop {{{[Co{{(N{H_3})}_5}{H_2}O]}^{3 + }}}\limits_{(II)} \) and…
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