WorksheetsXII CHEMISTRY UNIT 4 PART 4
Total questions: 10
Worksheet time: 5mins
Paramagnetism is the property of
Paired electrons
Completely filled electronic subshells
Unpaired electrons
Completely vacant electronic subshells
Paramagnetism is common in
p-block elements
d-block elements
s-block elements
f-block elements
For a transition metal ion,the effective magnetic moment in BM is given by formula *
√n (n-1)
√n (n+1)
√n (n+2)
√n²
The magnetic moment of Cu⁺
1.732
2.83
0
5.9
Which one has positive reduction potential?
Mn
Cu
Zn
Ni
Which one of the following ions is the most stable in aqueous solution?
V ³⁺
Ti ³⁺
Mn ³⁺
Fe ³⁺
Which ion shows a μ of 5.92 BM ?
Mn ²⁺
Ti ³⁺
Cr ³⁺
Cu ²⁺
Which one is more stable ?
Gd³⁺
Lu³⁺
both (a) and (b)
Ce³⁺
Among the transition metals of 3d series, the one that has highest negative (M²⁺/ M) standard electrode potential is ……………..
Ti
Cu
Mn
Zn
Which one of the following elements show high positive electrode potential?
Ti ⁺
Mn²⁺
CO²⁺
Cr²⁺
