Aldehydes and Ketones

The most suitable reagent for the conversion of $\ce{R-CH2-OH -> R-CHO}$ is :

Which one of the following reactions will not result in the formation of carbon-carbon bond ?

The major product of the reaction
$$\ce{(CH3)2C(NH2)-C(OH)(CH3)2 ->[NaNO2/H2SO4]}$$
is :

Which is the major product formed when acetone is heated with iodine and potassium hydroxide ?

The following reaction
$$\ce{C6H5OH + HCl + HCN ->[Anhyd. ZnCl2]}\ \text{2-hydroxybenzaldehyde (salicylaldehyde)}$$
is known as :

An organic compound A, $\ce{C5H8O}$; reacts with $\ce{H2O}$, $\ce{NH3}$ and $\ce{CH3COOH}$ as described below :

• with $\ce{H2O}$: $\sim\ce{CH-C(=O)-OH}$
• with $\ce{NH3}$: $\sim\ce{CH-C(=O)-NH2}$
• with $\ce{CH3COOH}$: $\sim\ce{CH-C(=O)-O-C(=O)-CH3}$

A is :

Tischenko reaction is a modification of :

In the following reaction, the product(s) formed is(are)

After completion of the reactions (I and II), the organic compound(s) in the reaction mixtures is(are)

In the following reaction sequences V and W are, respectively

The number of aldol reaction(s) that occurs in the given transformation is

The major product H of the given reaction sequence is
$$\ce{CH3-CH2-CO-CH3 ->[CN^-] G ->[95\%\ H2SO4][Heat] H}$$

The compound I is

The major product of the following reaction is

Match the reactions in column I with appropriate types of steps/reactive intermediate involved in these reactions as given in column II

In the reaction shown below, the total number of possible intramolecular aldol condensation products formed from Y is

The compounds P and Q respectively are

The compound R is

The compound S is

Match the reactions in Column I with appropriate options in Column II.