Aldehydes Keton...

Product is

Cyanohydrin of which of the following gives lactic acid on hydrolysis ?

A compound 'X' gives brisk effervescence of $$CO_2$$ on treatment with $$NaHCO_3$$ and when treated with $$LiAlH_4$$ gives ethyl alcohol. Therefore 'X' may be:

The product "A" in the above reaction is:

Give the decreasing order of nucleophilic addition reaction of the following :
(i) $$ { HCHO }$$                                        (ii)  $$PhCHO$$
(iii) Chloral  $$\left( \mathrm { Cl } _ { 3 } \mathrm { C } - \mathrm { CH } = O \right)$$       (iv) $$Acetophenone$$

Which of the following carboxylic acid is most acidic in character -

Which of the following forms a stable hydrate 

Which of the following carboxylic acids can be decarboxylated readily by heating to $$100 - 150^{\circ}C$$ ?

When the reaction of $$Br_2$$ with acetone is catalysed by hydroxide ion, which of the following are the likely products ?