List of top Chemistry Questions on Aldehydes, Ketones and Carboxylic Acids asked in KCET

A Lewis acid 'X' formed by the reaction of BF3 with LiA/H₄ in ether medium to gives a highly toxic gas. This gas when heated with NH₃ gives a compound commonly known as inorganic benzene. The gas is

The oxide of potassium that does not exist is

Predict the product $C$ in the following series of reactions : $CH _{3}- COOH \stackrel{ PCl _{ 5 }}{\longrightarrow} A { ->[{C_6H_6}][{{\text{Anhyd}} . Alcl_3}] } B { ->[CH_3MgBr] C}$

The acid strength of active methylene group in (I) $CH_3COCH_2COOC_2H_5$ (II) $CH_3COCH_2COCH_3$ (III) $C_2H_5OOCCH_2COOC_2H_5$ decreases as

$ {CH_3COOH ->[LiA/H_4] X ->[Cu][300 ^{\circ}C] Y ->[dilute][NaOH] Z}$ In the above reaction $Z$ is

Benzoin is :

Select the $pK_a$ value of the strongest acid from the following :

Organic acid without a carboxylic acid group is

Which of the following compounds on boiling with $KMnO_4 $(alk.) and subsequent acidification will not give benzoic acid ?