which is are correct statement for following :
`Mn^(+4),Cr^(+2),Ni^(+2),Zn^(+2)`

the number of species which are dimagnetic amongest the following : Fe^(2+),Fe^(4+),Mn^(2+),Cr^(3+) Ni^(2+),Cr^(+6),Mn^(+7),V^(3+),Sc^(3+)

Which of the following Mn^(+2) ,Ni^(+2),Ti^(+2),V^(+2) smallest radii?

Find the number of colourless species among the following: Sc^(3+),Ti^(4+),V^(3+),Zn^(2+),Mn^(2+),Fe^(3+),Ni^(2+),Cu^(2+),Cr^(3+)

Determine total number of unpaired electrons in following ions Ti^(3+),V^(3+),Cr^(3+),Mn^(3+),Mn^(2+),Fe^(3+),Fe^(2+),Co^(2+),Ni^(2+),Cu^(2+) .

Determine total number of unpaired electrons in following ions Ti^(3+),V^(3+),Cr^(3+),Mn^(3+),Mn^(2+),Fe^(3+),Fe^(2+),Co^(2+),Ni^(2+),Cu^(2+) .

How many of the following ions have the same magnetic moments? Fe^(2+), Mn^(2+), Cr^(2+), Ni^(2+)

Find the total number of paramagnetic species among the following? Sc^(3+),Fe^(3+),Mn^(2+),Co^(4+),Co^(3+),Cr^(+),Fe^(2+),Mn^(3+),Cr^(3+),Zn^(2+),Ti^(+4),V^(3+)

Which substance is serving as a reducing agent in the following reaction? 14H^(+)+Cr_(2)O_(7)^(2-)+3Ni rarr 2Cr^(3+)+7H_(2)O+3Ni^(2+)

Which substance is serving as a reducing agent in the following reaction? 14H^(+)+Cr_(2)O_(7)^(2-)+3Ni rarr 2Cr^(3+)+7H_(2)O+3Ni^(2+)