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Question
Magnetic moment 2.83 BM is given by which of the following ions ?
(At. nos. Ti = 22, Cr = 24, Mn = 25, Ni = 28):-
A.
B.
C.
D.
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- 1)Why do the actinoids exhibit higher number of oxidation states than lanthanoids?
- 2)Identify the incorrect statement from the following :
- 3)
Match the following aspects with the respective metal.
Aspects
Metal
(A)
The metal which reveals a maximum number of oxidation states
(i)
Scandium
(B)
The metal although placed in 3d block is considered not as a transition element
(ii)
Copper
(C)
The metal which does not exhibit variable oxidation states
(iii)
Manganese
(D)
The metal which in +1 oxidation state in aqueous solution undergoes disproportionation
(iv)
Zinc
Select the correct option :
- 4)‘Spin only’ magnetic moment is same for which of the following ions?
Choose the most appropriate answer from the options given below: - 5)The
or
due to change of
- 6)The pair of lanthanoid ions which are diamagnetic is
- 7)During the preparation of Mohr's salt solution (Ferrous ammonium sulphate), which of the following acid is added to prevent hydrolysis of
- 8)The Lanthanoid contraction is responsible for the fact that
- 9)The stability of
salts in aqueous solution due to -
- 10)Why do the actinoids exhibit higher number of oxidation states than lanthanoids?
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Similar Questions
- 1)Why do the actinoids exhibit higher number of oxidation states than lanthanoids?
- 2)Identify the incorrect statement from the following :
- 3)
Match the following aspects with the respective metal.
Aspects
Metal
(A)
The metal which reveals a maximum number of oxidation states
(i)
Scandium
(B)
The metal although placed in 3d block is considered not as a transition element
(ii)
Copper
(C)
The metal which does not exhibit variable oxidation states
(iii)
Manganese
(D)
The metal which in +1 oxidation state in aqueous solution undergoes disproportionation
(iv)
Zinc
Select the correct option :
- 4)‘Spin only’ magnetic moment is same for which of the following ions?
Choose the most appropriate answer from the options given below: - 5)The or
due to change of
- 6)The pair of lanthanoid ions which are diamagnetic is
- 7)During the preparation of Mohr's salt solution (Ferrous ammonium sulphate), which of the following acid is added to prevent hydrolysis of
- 8)The Lanthanoid contraction is responsible for the fact that
- 9)The stability of salts in aqueous solution due to -
- 10)Why do the actinoids exhibit higher number of oxidation states than lanthanoids?