Question

Select the pair with correct valency and charge on the elements. given below:
(i) Silver: +1; lodide: +1.
(ii) Sulphide: -2. Silver-2
(iii) Potassium: +1; Bromide: -1
(iv). lodide! +2, Oxide: -2​

Answer 1

Answer:

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Answer 2

Answer:

(iii) Pottasium +1 and Bromide-1

Explanation: