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Among the following series of transition...

Among the following series of transition metal ions the one where all metal ions have `3d^2` electronic configuration is

A

`900 ml`

B

`300ml`

C

`600 ml`

D

`1200ml`

Text Solution

Verified by Experts

The correct Answer is:
1
Initially degree of dissociation `alpha=sqrt((K_(a))/(C))`
Now degree of dissociation, `alpha_(1)=2alpha=sqrt((4K_(a))/(C))=sqrt((K_(a))/(C_(1)))`
so `" "C_(1)=(C)/(4)" "rArr" "` Hence we have
`300xx0.2rArrV_(1)xx(0.2)/(4)" "`so `V_(f)=1200ml`
Hence water added `=1200-300=900ml`
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