2Cr(OH)3 (aq) + 4OH- (aq) + 3H2O2 (aq) → 2CrO42- (aq) + 8H2O (l)
Cr2O72- (aq) + 14H+ (aq) + 3Zn (s) → 2Cr3+ (aq) + 7H2O (l) + 3Zn2+ (aq)
2Cr3+ (aq) + Zn (s) → 2Cr2+ (aq) + Zn2+ (aq)
2CrO42- (aq) + 2H+ (aq) ⇌ Cr2O72- (aq) + H2O (l)
转载自savemyexams
© 2024. All Rights Reserved. 沪ICP备2023009024号-1