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xenn [34]
4 years ago
6

Write a balanced equation for the redox reactions occurring between: b) An aldehyde (RCHO) and chromic acid (H2CrO4) to form a c

arboxylic acid (RCO2H) and Cr 3+
Chemistry
1 answer:
d1i1m1o1n [39]4 years ago
3 0
RCHO + CrO_4^2^- + H^+ \rightarrow RCOOH + Cr^2^+ + H_2O\\
\\
CrO_4^2^- + 8H^+ + 3e \rightarrow Cr^3^+ + H_2O\ \ \ \ \ /\cdot 2\\
RCHO + H_2O \rightarrow RCOOH + 2H^+ + 2e\ \ \ \ \ \ /\cdot 3\\
\\
3RCHO + 2CrO_4^2^- + 10H^+ \rightarrow 3RCOOH + 2Cr^2^+ + 5H_2O
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