Q.
The formula of an ionic compound formed between 2nd group element (M) and 17th group element (X) is
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a
MX
b
M2X
c
MX2
d
MX3
answer is C.
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Detailed Solution
Valence of ‘M’ =2 ;Valency of ‘X’ = 8-7 = 1 ;Formula of the compound = MX2 ;
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