Introduction to Aldehydes, Ketones and Carboxylic Acids

How many aliphatic carbonyl compounds are possible having the molecular formula ${\mathrm{C}}_5{\mathrm{H}}_{10}\mathrm{O}$ ?

Identify a ketone molecule, among the given compounds.

A carbonyl compound muscone finds application in

Identify a compound not having the carbonyl group.

Aldehydes can be represented by the general formula

Which isomerism is shown by pentanone?

Identify the acid chloride?

The role of $\mathrm{B}\mathrm{a}\mathrm{S}{\mathrm{O}}_4$ in Rosenmund's reactions is:

In the given reaction sequence, the compound $\text{J}$ is an intermediate.

$\text{I}\underset{{\text{CH}}_3\text{COONa}}{\overset{{\left({\text{CH}}_3\text{CO}\right)}_2\text{O}}{\to }}\text{J}\underset{\underset{{\text{(iii) anhyd. AlCl}}_3}{{\text{(ii) SOCl}}_2}}{\overset{{\text{(i) H}}_2,\text{Pd}/\text{C}}{\to }}\text{K}$

If J has a formula of C₉H₈O₂ and gives effervescence on treatment with NaHCO₃ as well as a positive Baeyer's test, then what will be the compound I?

In the Rosenmund's reaction, $\mathrm{B}\mathrm{a}\mathrm{S}{\mathrm{O}}_4$ is used for?

Which of the following functional groups is generally least reactive towards nucleophilic substitution reactions?

Consider the following compounds



The correct decreasing order of their reactivity towards hydrolysis is

In how many of the following reactions, aldehyde is formed as a product?

Which of the following statements is true about propanone with respect to $\mathrm{\sigma }-$bonds,$\mathrm{\pi }-$bonds and lone pairs of electrons, respectively?

Aldehyde which is formed during photosynthesis of plants is