Most stable oxidation state of gold is:-

Important Questions on The d- and f-Block Elements

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IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>Exercise-1>Q 5

The most stable oxidation state of chromium is:-

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Alpha Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>Exercise-1>Q 6

Which of the following does not give oxygen on heating?

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Alpha Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>Exercise-1>Q 7

What is the general electronic configuration of transition elements?

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Alpha Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>Exercise-1>Q 9

Name the d-block elements which do not have partially filled d -orbitals in their atoms or in their simple ions.

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Alpha Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>Exercise-1>Q 10

What is meant by the 'lanthanoid contraction'? Mention one important fact that can be considered as a consequence of the lanthanoid contraction.

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Alpha Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>Exercise-1>Q 13

Why zinc has the lowest melting point in $3\mathrm{d}$ series?

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Alpha Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>Exercise-1>Q 14

Why are ionisation energies of $5\mathrm{d}$ elements greater than those of $3\mathrm{d}$ elements?

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Alpha Question Bank for Engineering: Chemistry>Chapter 20 - The d- and f-Block Elements>Exercise-1>Q 15

 Why do transition elements show variable oxidation states?