List of top Chemistry Questions

The organic compound shown below belongs to
What is the total number of chain isomers exhibited by hexane?
Which of the following is an example of narrow spectrum antibiotics?
Which among the following crystal structures the edge length of unit cell is equal to twice the radius of one atom?
What is the oxidation state of chlorine atom in chlorous acid?
The number of asymmetric carbon atoms present in 2,3-dichloro-4-methylpentane is
Secondary nitroalkanes react with nitrous acid to form
When dry cell is in use the change taking place at cathode is
Identify the product A in the following reaction.
\[ (CH_3)_3C{-}OH \xrightarrow[\;573\ \text{K}\;]{Cu} A \]
Identify the increasing order of effective magnetic moment of following elements in their +2 oxidation state.
(Fe $(Z=26)$, Co $(Z=27)$, Ni $(Z=28)$, Cu $(Z=29)$)
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?
If a dilute solution of NaI is added to dilute solution of excess $AgNO_3$, then species adsorbed on AgI colloidal particles is
Which among the following complexes carries no net charge?
Which of the following compounds is obtained when benzene reacts with benzoyl chloride in presence of anhydrous $AlCl_3$?
Why is bond order of $Be_2$ molecule zero?
(N$_b$ = bonding electrons, N$_a$ = antibonding electrons)
Identify the use of Buna-N.
Identify the coordinate complex having ambidentate ligand from the following.
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?
Identify the product B in the following reaction
\[ {CH3COOH + C2H5OH →[H^+][-H2O] A →[H2/Ni] B} \]
In the following reaction the reagent A is,
\[ {Ar-N2^+X^- →[A] Ar-N2^+BF4^- →[\Delta] Ar-F + BF3 + N2} \]
In case of substituted aniline the group which decreases the basic strength is
Which of the following is NOT dihydric phenol?
Isochor is the graph plotted between