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Classify the following oxides as acidic, basic and amphoteric (a) Mn2O7, (b) CrO3, (c) Cr2O3, (d) CrO.

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Classify the following oxides as acidic, basic and amphoteric

(a) Mn2O7, (b) CrO3, (c) Cr2O3, (d) CrO.

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(a) Mn2O7 → acidic
(b) CrO3 → acidic
(c) Cr2O3 → amphoteric
(d) CrO → basic.

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