Correct Answer - 6
Ionisable `CI^(Θ)` ions in `[Cr(H_(2)O)_(5)CI]CI_(2)=2`
Therefore number of `CI^(Θ)` ions in `30mL` of `0.01M` of the above complex compound `=2 xx 30 xx 0.01 = 0.6m` moles
`:. M ` moles of `Ag^(o+)` ions required `=0.6`
`:.V(mL) xx 0.1M =0.6`
`:. V =6 mL` .