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(i) Electron affinity of Cl is greater t...

(i) Electron affinity of Cl is greater than that of E explain.
(ii) Indicate the basic/acidic behaviour of the hydrides of following elements: F,C,O,N.

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(i) N/A
(ii) HF, acidic, `CH_(4)`, neutral `H_(2)O:` neutral, `NH_(3)`: Basic [from left to right along a period the relative acidity of the hydrides of the elements increases).
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