Question

Why do transition elements show variable valency?

Answer 1

Chemistry requires an exact and accurate answers.

So, here it is :-

Transition elements show a variable valancy due to involvement of d-orbitlas electron in bonding.

For example :- Mn can show 2 3,4,5,6,7 oxidation states.

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Kshitij Ampearl

Answer 2

Answer:

The Transition Element have their valence electrons in two different sets of orbital that is (n-1)d and ns. ....Thus, Transition Element Show Variable valencies due to involvement of penultimate d shell electrons

Explanation:

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