CBSE Class 12 Aldehydes Ketones and Carboxylic Acids — practice questions
14 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice CBSE Class 12 Aldehydes Ketones and Carboxylic Acids in the app →The IUPAC name of the simplest aldehyde, $\mathrm{HCHO}$, isThe carbonyl carbon in an aldehyde or ketone isThe carbonyl group $\mathrm{C{=}O}$ is highly POLAR, with the oxygen bearing a partial negative charge and theWhich of the following BEST distinguishes an aldehyde from a ketone in the lab?ROSENMUND REDUCTION is used to prepare an aldehyde from an acyl chloride. The reagents and key feature of the Acetone ($\mathrm{CH_3COCH_3}$) reacts with HCN to give a product. Which is the correct product?Which of these aldehydes will UNDERGO the Cannizzaro reaction (disproportionation under concentrated NaOH)?In the ALDOL CONDENSATION, two carbonyl compounds (containing $\alpha$-hydrogens) react in the presence of a bThe acidity ($K_a$) order for the carboxylic acids $\mathrm{HCOOH}$ (formic), $\mathrm{CH_3COOH}$ (acetic), anWhich compound will give a POSITIVE IODOFORM test (yellow $\mathrm{CHI_3}$ precipitate with $\mathrm{I_2}$/NaODECARBOXYLATION refers to the loss of $\mathrm{CO_2}$ from a carboxylic acid (or its salt). When sodium acetatWhich carboxylic acid has the highest $K_a$ (i.e. is the most acidic)?The reaction of formaldehyde with concentrated NaOH is calledWhen acetic acid ($\mathrm{CH_3COOH}$) is treated with $\mathrm{LiAlH_4}$ followed by aqueous workup, the orga