Transition Elements (General Introduction, Electronic Configuration,...) NEET Questions

Inorganic Chemistry - D- and F-Block Elements

Transition Elements (General Introduction, Electronic Configuration,...) MCQ Questions


7.
Which of the following forms a green solution in water?
A.
Cr³⁺
B.
Fe²⁺
C.
Mn²⁺
D.
Ni²⁺
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ANSWER :
A. Cr³⁺
8.
The magnetic moment of Fe³⁺ (3d⁵) is
A.
5.92 BM
B.
3.87 BM
C.
2.83 BM
D.
1.73 BM
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ANSWER :
A. 5.92 BM
9.
Which of the following shows +7 oxidation state?
A.
Fe
B.
Mn
C.
Co
D.
Ni
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ANSWER :
B. Mn
10.
The general outer electronic configuration of transition elements is
A.
(n-1)d¹⁻¹⁰ns⁰⁻²
B.
(n-1)d¹⁻⁵ns²
C.
(n-1)d⁰ns²
D.
(n-1)d¹⁻⁵ns¹
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ANSWER :
A. (n-1)d¹⁻¹⁰ns⁰⁻²
11.
The interstitial compounds are formed when transition metals trap
A.
alkali metals
B.
nonmetals
C.
small atoms of H, B, C
D.
Noble gases
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ANSWER :
C. small atoms of H, B, C
12.
KMnO₄ in acidic medium is a strong
A.
oxidising agent
B.
reducing agent
C.
dehydrating agent
D.
none of these
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ANSWER :
A. oxidising agent