Most stable oxidation state of gold is:

Important Questions on The d- and f-Block Elements

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Alpha Question Bank for Medical: Chemistry>Chapter 19 - The d- and f-Block Elements>Exercise 1>Q 27

Which metal exhibits more than one oxidation state in their compounds.

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Alpha Question Bank for Medical: Chemistry>Chapter 19 - The d- and f-Block Elements>Exercise 1>Q 28

Iron is harder than sodium because:

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Alpha Question Bank for Medical: Chemistry>Chapter 19 - The d- and f-Block Elements>Exercise 2>Q 1

Amongst the following set of transition metal ions, the one in which all metal ions do not have $\mathrm{d}$-electrons?
 

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Alpha Question Bank for Medical: Chemistry>Chapter 19 - The d- and f-Block Elements>Exercise 2>Q 2

Which of the following statements is incorrect?
 

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Alpha Question Bank for Medical: Chemistry>Chapter 19 - The d- and f-Block Elements>Exercise 2>Q 3

The names transition and inner transition metals are used to indicate the elements of:

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Alpha Question Bank for Medical: Chemistry>Chapter 19 - The d- and f-Block Elements>Exercise 2>Q 4

In which of the following pairs of elements, the $\left(\mathrm{n}-1\right)$ $\mathrm{d}$-orbitals have the same number of electrons?
 

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Alpha Question Bank for Medical: Chemistry>Chapter 19 - The d- and f-Block Elements>Exercise 2>Q 5

Which of the following factors may be regarded as the main cause of lanthanide contraction ?

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Alpha Question Bank for Medical: Chemistry>Chapter 19 - The d- and f-Block Elements>Exercise 2>Q 6

Copper has higher second ionisation energy than that of both adjacent elements. This is because of: