d and f Block Elements
Practice Questions
MCQ (Single Correct Answer)
1

The correct order of oxidising power of the given ions is

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2
Which of the following lanthanoids have [Xe] $4 f^x 5 d^1 6 s^2$ configuration in their ground state. $$ (X=1-14) $$
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3
Match the following.
List I List II
A. Technicium I. Non-metal
B. Fluorine II. Transition metal
C. Tellurium III. Lanthanoid
D. Dysprosium IV. Metalloid
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4
The transition metal with highest melting point is
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5
Which transition metal does not form 'MO' type oxide? ( $M=$ transition metal)
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6

Identify the isoelectronic pair of ions from the following.

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7

Assertion (A) Transition metals and their complexes show catalytic activity.

Reason (R) The activation energy of a reaction is lowered by the catalyst.

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8

Which of the following is not arranged in the correct sequence?

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9

Which among the following is coloured?

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10

The electronic configuration of $$\mathrm{Fe}^{3+}$$ is (atomic number of $$\mathrm{Fe}=26$$ )

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11

The magnetic moment of Fe$$^{2+}$$ is ........ BM.

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12

Which of the following statement is not correct?

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13

To which group of the periodic table does an element having electronic configuration [Ar] 3d$$^5$$ 4s$$^2$$ belong?

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