List of top Chemistry Questions on Chemical Reactions asked in AIIMS

(2) CH-CHO (3) p-CH-CH-CHO (4) p-CHO-CH-CHO Correct order for nucleophilic addition reaction :
The correct order of reactivity in S1 reaction for the following compounds is
What reagent is used in the Hinsberg test of amines?
Phenol forms $2,4, 6$-tribromophenol on treatment with $Br_{2}$ in carbon disulphide at $273 \,K$. Bromine polarises in carbon disulphide.
Formic acid reduces Tollen?? reagent. Compounds containing $??HO$ group reduce Tollen?? reagent.
Electron affinity is positive, when
The presence of nitro group facilitates nucleophilic substitution reactions in aryl halides. The intermediate carbanion is stabilised due to the presence of nitro group.
Freon used as refrigerant is
When alkyl halide is heated with dry $Ag _{2} O$, it produces
An organic compound $'X'$ on treatment with pyridinium chlorochromate in dichloromethane gives compound $'Y'$ Compound $'Y'$ reacts with $I_{2}$ and alkali to form triiodomethane. The compound $'X'$ is
$CH _{3} COOH \xrightarrow{ LiAlH _{4}}A + CH _{3} COOH \xrightarrow{ H _{3} O ^{+}} B + H _{2} O$ In the above reactions ' $A$ ' and ' $B$ ' respectively are
If heavy water is taken as solvent instead of normal water while performing Cannizaro reaction, the products of the reaction are
The correct set of reagents for the following conversion is
The increasing order of hydrolysis of the following compounds is
The correct order of basic strength is
Which of the following does not exist as a Zwitter ion?
The hydrocarbon which does decolourise alkaline $KMnO_{4}$ solution and also does not give any precipitate with ammoniacal silver nitrate is
The major product obtained on treatment of $CH_3 CH_2 CH(F)CH_3$ with $CH_3 O^- /CH_3 OH$ is
Lower aldehydes and ketones are soluble in water but the solubility decreases as the molecular masses increase. Distinction between aldehydes and ketones can be made by Tollens??test.
The product obtained when acetic acid is treated with phosphorus trichloride, is