`[Cr(H_(2)O)_(6)]^(x)` में x का मान होगा-

The value of x in [Cr(H_(2)O)_(6)]^(x) when Cr is in +3 oxidation state is

यदि x^(2)+2=0 हो तो x का मान होगा-

The oxidation states of Cr in [Cr (H_(2)O)_(6)]Cl_(3) , [Cr (C_(6) H_(6))_(2)] and K_(2) [Cr(CN)_(2) (O)_(2) (O_(2)) (NH_(3))] respectively are -

The hybridization of [Cr(H_(2)O)_(6)]^(2+) is ______________ .