19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Assertion : Acetic acid does not give haloform reaction. Reason : Acetic acid has no -hydrogen.
Assertion : (CH₃)₃C–COOH does not give HVZ reaction. Reason : It does not have any -hydrogen
Assertion:Formic acid reduces mercuric chloride. Reason: Formic acid is stronger than acetic acid.
Picric acid is (a) (b) (c) (d)
Structure of the compound whose IUPAC name is 3- ethyl-2-hydroxy-4-methylhex-3-en-5-ynoic acid is: (a) (b) (c) (d)
The end product B in the sequence of reactions, Carboxylic Acid and Its Derivatives CN NaOH R X A B → → is
Trough which of the following reactions number of carbon atoms can be increased in the chain? (i) Grignard reaction (ii) Cannizzaro’s reaction (iii) Aldol condensation (iv) HVZ reaction Choose the correct option.
Identify the correct order of boiling points of the following compounds
(a) (b) Carboxylic Acid and Its Derivatives (c) (d)
The strongest acid among the following is –
An enantiomerically pure acid is treated with racemic mixture of an alcohol having one chiral carbon. The ester formed will be
Assertion: Sucrose is a non-reducing sugar. Reason: It has glycosidic linkage.
Sucrose in water is dextrorotatory, []D = + 66.4° when boiled with dil. HCl, the solution becomes laevo-rotatory, []D = – 39.9°. In this process the sucrose breaks into
Glycolysis is
Which one of the following statements is true for protein synthesis (translation) ?
The pair in which both species have iron is
Which statement is incorrect about peptide bond?
Which functional group participates in disulphide bond formation in proteins ?
The human body does not produce
The cell membranes are mainly composed of
The hormone which controls the processes like burning of fats, proteins and carbohydrates to liberate energy in the body is
Assertion: DNA molecules and all RNA molecules are found in the nucleus of a cell. Reason: On heating, the enzymes do not lose their specific activity.
Sucrose when boiled with dil. HCl produce
Glucose and mannose are
The beta and alpha glucose have different specific rotations. When either is dissolved in water, their rotation changes until the same fixed value results. This is called.