1.

Consider the following reaction, `{:(CHO" "COO^(-)),("| "+OH^(-) rarr "|"),(CHO" "CH_(2)OH):}` Select the incorrect statement.A. It is not a disproportionation reaction.B. It is intramolecular redox reaction.C. `OH^(-)` is a reducing as well as oxidising agent.D. `{:(CHO),("|"),(CHO):}` is a reducing as well as oxidising agent.

Answer» Correct Answer - C
One CHO is oxidised to `CO O^(-)` and one CHO is reduced to `CH_(2)OH`.
Thus, it is not a disproportionation reaction. It is intramolecular redox reaction. Thus, options (a) and (b) are true and `{:(CHO),("|"),(CHO):}` is reducing as well as oxidising agent.
Thus, (d) is also true. Thus, (c) is incorrect.


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