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Comparison of Lanthanides and Actinides

Write one sim...

Question

Write one similarity and one difference between the chemistry of lanthanoid and actinoid elements

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Solution

Similarity : In lanthanoids and actinoids filling of (n-2)f orbitals is involved.
Difference : Lanthanides can show a maximum oxidation state of +4 while actinides show oxidation states of +3, +4, +5, +6 and +7.

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Similar questions

Q. Write one similarity and one difference between the chemistry of lanthanoids and that of actinoids.

Q. Why do actinoids show a wide range of oxidation states? Write one similarity between the chemistry of lanthanoids and actinoids.

Q. (a) Account for the following:
(i) Transition metals show variable oxidation states.
(ii) Zn, Cd and Hg are soft metals.
(iii)

E^{o}

M n^{3 +} / M n^{2 +}

couple is highly positive (+ 1.57 V) as compared to

C r^{3 +} / C r^{2 +}

.
(b) Write one similarity and one difference between the chemistry of lanthanoid and actinoid elements.

Q. Which of the following is a characteristic difference between lanthanoids and actinoids?

f

-block elements ? Distinguish between lanthanoid and actinoid.

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