Question

Hello friends plsss help me with this

Answer 1

Hey there,

(a)  FeSO.7H₂O-->FeSO+7H₂O
       FeSO₄-->Fe₂O₃+SO₂+SO₃

(b)  Sulphur dioxide(SO₂) and Sulphur trioxide(SO₃) are the oxides formed by element Y

(c)  Element Y is Sulphur.
       Shell configuration-2,8,6
       Orbital configuration-1s²2s²2p⁶3s²3p⁴

(d)  Sulphur lie in
       GROUP=16
       PERIOD=3

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