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Oxidation States of Actinides

A member of t...

Question

A member of the lanthanoid series which is well known to exhibit +4 oxidation state is:

A

Cerium

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B

Europium

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C

Lutetium

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D

Thulium

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Solution

The correct option is A
Cerium

Cerium is well known to exhibit +4 oxidation state.

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Similar questions

Q. Name a member of lanthanoid series which is well known to exhibit

+ 2

oxidation state.

Q. Lanthanoid which is well known to exhibit

+ 4

oxidation state is:

Q. Name the members of the lanthanoid series which exhibit

+ 4

oxidation states and those which exhibit

+ 2

oxidation states. Try to correlate this type of behaviour with the electronic configurations of these elements.

Q. The members of Actinoid series exhibit larger number of oxidation states as compared to lanthanoid elements.

Q. (i) With reference to structural variability and chemical reactivity, write the difference between lanthanoids and actinoids.
(ii) Name a member of the lanthanoid series which is well known to exhibit

+ 4

oxidation state.
(iii) Complete the following equation:

M n O_{4}^{-} + 8 H^{+} + 5 e^{-} \to

{M n}^{3 +}

{C r}^{3 +}

, which is more paramagnetic and why?

(atomic number :

M n = 25, C r = 24

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Oxidation States of Actinides

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