Special Reactions of Carbonyl Compounds

Compound which gives intramolecular aldol reaction?

Why propanal undergoes oxidation reaction faster than the propanone?

Aldehydes are easily oxidesed than the ketone.

Why aldehydes are easily oxidised compared to ketone?

The reduction of acetone by $\mathrm{Mg}-\mathrm{Hg}$ gives:

Stable hydrates can be formed from how many of the following carbonyl compounds

(i)



(ii) $\mathrm{HCHO}$

(iii) $\mathrm{PhCHO}$

(iv)



(v)



(vi)

Identify the products in the following reaction.

 is

In the given reaction sequence what will be the final product $\text{'}\mathrm{T}\text{'}$?

${\mathrm{C}}_{\text{6}}{\mathrm{H}}_{\text{5}}\text{-CH=O}\stackrel{\text{KCN/Δ}}{\to }\text{R}\stackrel{\text{PCC}}{\to }\text{S}$$\underset{\left(\text{ii}\right) \text{Acidification}}{\overset{\left(\text{i}\right) \text{conc KOH}}{\to }}\text{T}$

What is the product $\mathrm{P}$ in the above reaction?

What is $\mathrm{X}$? 

In the below reaction, which product is formed?

$C_6{H}_{5}CHO+C{H}_{3}COC{H}_3 \begin{array}{c}\stackrel{O{H}^{-}}{\to }\\ ∆\end{array}P$ 

Product is

. Here [Z] is

In which of the reaction $\mathrm{\alpha },\mathrm{ }\mathrm{\beta }$ -unsaturated aldehyde, ketone or acid is not the main product?

Which of the following named reaction is not used for introducing a - COOH group?

The reaction given below is an example of

The product P formed in the above reaction is