19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Which of the following substances has the least covalent character?
Which of the following compounds have the same no. of lone pairs with their central atom? (I) XeF (II) BrF (III) XeF (IV) H S (V) Triple Methylene
The dipole moment of o, p and m-dichlorobenzene will be in the order :
Which has a maximum dipole moment? (a) (b) (c) (d)
Which molecule has regular geometry? (I) SnCl (II) NH (III) PCl (IV) SF
Which molecular geometry is least likely to result from a trigonal bipyramidal electron geometry?
Ethyl isocyanide on hydrolysis in acidic medium generates
The end product B in the sequence of reactions, Carboxylic Acid and Its Derivatives CN NaOH R X A B → → is
Here Z is (a)
When propionic acid is treated with aqueous sodium bicarbonate, CO₂ is liberated. The C of CO₂ comes from
When CH₂ = CH – COOH is reduced with LiAlH , the compound obtained will be:
End product of the following reaction is Cl alc. KOH red p CH CH COOH A B → → (a) (b) (c) (d)
Which of the following is correct order of acidity?
The correct order of increasing acid strength of the compounds
In a set of the given reactions, acetic acid yielded a product C. O C H (i) C H MgBr Anh.AlCl (ii) H CH COOH PCl A B C → → → Product C would be (a)
Which of the following represents the correct order of the acidity in the given compounds?
The correct order for the acidic character of the following carboxylic acids is
Hydrogenation of benzoyl chloride in the presence of Pd-BaSO₄ gives
Ethyl Acetate O (i)CH MgBr (excess) (ii) H → P, the product will be (a) (b) (c) (d)
Benzoyl chloride is prepared from benzoic acid by
In the following sequence of reactions: KMnO SOCl H /Pd BaSO Toluene A B C, → → → Carboxylic Acid and Its Derivatives the product C formed will be :
Acetamide is treated separately with the following reagents. Which one of these would give methyl amine?
Benzamide on treatment with POCl₃ gives
In the given reaction, H O C H CO O I → H O C H COOCOCH II → Identify the product(s) formed in the given reaction. I II
Assertion : p–hydroxybenzoic acid has a lower boiling point than o–hydroxybenzoic acid. Reason : o–hydroxybenzoic acid has intramolecular hydrogen bonding.