Class XII Chemistry Organic Compounds Containing Oxygen 7

In which of the following conditions enol percentage of CH₃COCH₂COCH₃ is minimum?

By which of the following reagent butanoic acid can be converted into butane ?

Give the order of decarboxylation of the following acid –

Bottles containing C₆H₅I and C₆H₅CH₂I lost their original labels. They were labeled A and B for testing. A and B were separately taken in a test tube and boiled with NaOH solution. The end solution in each tube was made acidic with dilute HNO₃ and then some AgNO₃ solution was added. Substance B gave a yellow precipitate. Which one of the following statements is true for thie experiment?

The oxidation of toluene with hot KMnO₄ gives –

Which of the following acid does not form anhydride –

Formic acid and formaldehyde can be distinguished by treating with –