Question

Which of the following reagents is also called Jones reagent?

• A. $Aq.H_{2}Cr{O}_4+\text{Acetone}$
• B. $K_{2}C{r}_2{O}_7/H^{+}$
• C. Anhydrous $Cr{O}_3$
• D. None of the above

Answer 1

The correct option is A $Aq.H_{2}Cr{O}_4+\text{Acetone}$

Jones reagent: $Aq.H_{2}Cr{O}_4+\text{Acetone}orCr{O}_3+H_{2}S{O}_4+\text{Acetone}$

It is used for the oxidation of Alcohols. It converts primary alcohols to carboxylic acids and secondary alcohols to ketones