Question

ماه با
.: + 5
* Find out the oxidation numbers of the following elements marked in bold in
the formulae:
Ba3(PO4)2, CaSo4, Cu(NO3)2, Al2(SO4)3

x​

Answer 1

Explanation:

4v4 yf b d 4 44d 4 4d during 5d

Answer 2

Answer:

Let x be the oxidation state of S in

KAl(

S

O

4

)

2

.12H

2

O

Oxidation no. of known elements are- K=+1,Al=+3,O=−2,H=+1

+1+3+2(x+4(−2))=0

+4+2x−16=0

2x=12

x=+6

Hence, the oxidation no. of S is +6.

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