List of top Chemistry Questions

When dry cell is in use the change taking place at cathode is
The number of asymmetric carbon atoms present in 2,3-dichloro-4-methylpentane is
Secondary nitroalkanes react with nitrous acid to form
0.224 g of an organic compound on complete combustion gives 0.126 g of water. What is the percentage composition of hydrogen in the compound?
Which of the following compounds is obtained when benzene reacts with benzoyl chloride in presence of anhydrous $AlCl_3$?
If a dilute solution of NaI is added to dilute solution of excess $AgNO_3$, then species adsorbed on AgI colloidal particles is
Identify the coordinate complex having ambidentate ligand from the following.
Why is bond order of $Be_2$ molecule zero?
(N$_b$ = bonding electrons, N$_a$ = antibonding electrons)
Identify the use of Buna-N.
Which among the following polymers is obtained first by formation of salt by neutralization and then by step growth polymerisation?
Which among the following reaction produces lime water?
Which of the following substances is NOT used for food preservation?
In case of substituted aniline the group which decreases the basic strength is
Which of the following is NOT dihydric phenol?
Identify the product B in the following reaction
\[ {CH3COOH + C2H5OH →[H^+][-H2O] A →[H2/Ni] B} \]
Van’t Hoff factor for $K_3[Fe(CN)_6]$ is $3.333$. What is its percentage dissociation in water?
Which mineral among the following contains zinc?
Which of the following oxyacids of sulphur contain S–O–S linkage?
For the reaction,
\[ C_2H_5OH(l) + 3O_2(g) \rightarrow 2CO_2(g) + 3H_2O(l) \] Which among the following is true?
Isochor is the graph plotted between
Which among the following is an example of pseudo first order reaction?
Which among the following groups has lowest priority in assigning R,S convention?
Which of the following set of compounds does NOT demonstrate the law of multiple proportion?
Which of the following is a Wolff–Kishner reduction?
Which of the following has intramolecular hydrogen bonding?