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Which of the following reagents is used to avoid further oxidation of aldehydes?
Chemistry | Chemistry | MHTCET
Which of the following reagents is used to avoid further oxidation of aldehydes?

1.\,\,{{C}_{5}}{{H}_{5}}N{{H}^{+}}Cr{{O}_{3}}Cl

2.\,\,{{K}_{2}}C{{r}_{2}}{{O}_{7}}/dil.\,{{H}_{2}}S{{O}_{4}}

3.\,\,dil.\,HN{{O}_{3}}

4.\,\,Cr{{O}_{3}}

Solution: 1.\,\,{{C}_{5}}{{H}_{5}}N{{H}^{+}}Cr{{O}_{3}}Cl

 

 

 

Pyridinium Chlorochromate (PCC)

Primary alcohols can be converted to aldehydes, and secondary alcohols can be converted to ketones, using PCC. Because the starting material is a secondary alcohol, the end product will be a ketone (a carbonyl () group with two other carbons connected to it).

i

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