Question

(c) Cu, d, 2
A metal M shows variable valencies 2 and 3.
Calculate the ratio of oxygen atoms present in their
corresponding sulphates.
(a) 1:3
(6) 3:1
(c) 3:4
(d) 3:2
1.ide​

Answer 1

Answer:

ANSWER

Explanation:

ANSWER IS

A) 1:3

let the m be x

XSO4 and X2SO4

it is 4:12 evaluate then it will come 1:3

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Answer 2

Tin has +2,+4 valency, Iron has +2,+3, copper has +1,+2 valencies. So every element has more than one valency known as variable valencies.

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