Question

Name the compound formed by the ions Cr3+ and PO43- .

Answer 1

Answer:

Chromium(III)Phosphate [CaPO4]

Explanation:

+3 valency of chromium cancels -3 of phosphate group.

Answer 2

Answer:
The compound formed by the ions Cr3+ and PO43- is CrPO4 ( Chromium Phosphate).

Explanation:

• In chromium, chromium ion has +3 oxidation state.
• In PO4, it has -3 oxidation state.
• when both Cr and PO4 combines they form CrPO4 i.e. chromium phosphate.

Hence the compound formed by the ions Cr3+ and PO43- is CrPO4 i.e Chromium phosphate.

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