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Correct increasing order for the wavelen...

Correct increasing order for the wavelengths of absorption in the visible region for the complexes of `CO^(3+)` is

A

`[Co(en)_(3)]^(3+)`,`[Co(NH_(3))_(6)]^(3+)`,`[Co(H_(2)O)_(6)]^(3+)`

B

`[Co(H_(2)O)_(6)]^(3+)`,`[[Co(en)_(3)]^(3+)`,`[Co(NH_(3))_(6)]^(3+)`

C

`[Co(H_(2)O)_(6)]^(3+)`,`[Co(NH_(3))_(6)]^(3+)`,`[Co(en)_(3)]^(3+`

D

`[Co(NH_(3))_(6)]^(3+)`,`[Co(en)_(3)]^(3+)`,`[Co(H_(2)O)_(6)]^(3+)`

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The correct Answer is:
A
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AAKASH INSTITUTE ENGLISH- ALCOHOLS, PHENOLS AND ETHERS-Assignment Section -D (Assertion - reason type question)
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  5. A : In esterification reaction , HCOOH is the most reactive acid among...

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  10. A : Grignard's reagent is prepared in the presence of ether . R :...

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  11. A : CH(3) - underset(CH(3))underset(|)overset(CH(3))overset(|)(C)-CH=...

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  12. A : Two moles of Grignard reagent is consumed in the formation of ter...

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  13. A : bond angle in ether is slightly greater than normal tetrahedral an...

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  14. A : CH(3)-underset(CH(3))underset(|)overset(CH(3))overset(|)(C)-O-CH...

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  17. A : In esterification reaction alcohol act as nucleophile . R : ...

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  18. A : Phenol is manufactured by Dow 's pocess. R : It involves the ...

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