(i) Write t' ie general electronic configuration of d-block elements. (ii) What is the oxidation state and covalency of

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Q 3103801748.     (i) Write t' ie general electronic configuration of d-block elements.
(ii) What is the oxidation state and covalency of `Al` in `[AlCl(H_2 O)_5]^(2+)`?
(iii) Which out of the following will have the most negative electron gain enthalpy and which have the least negative?
`P, S, Cl` and `F`.

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