Metal ions like `Ag^(+),Cu^(2+)` etc. act as

(A) Acetone cannot be oxidised by weak oxidising agents like Ag^(+), Cu^(+2) etc. (R) Acetone is a weak reducing agent

(A) Acetone gets oxidised by strong oxidising agents like Ag^(+),Cu^(+2) , etc. (R) Oxidation of acetone involved carbon carbon bond cleavage.

EDTA is used as a complexing agent in ____________estimation of metal ions like Ca^(2+) ,M^(2+) and Zn^(2+) ions .

EDTA is used as a complexing agent in ____________estimation of metal ions like Ca^(2+) ,M^(2+) and Zn^(2+) ions .

Colloidal solutions of metals like Cu, Ag, Au and Pt are generally prepared by using .