List of top Chemistry Questions

Which one of the following has square planar structure?
The chemical formula of plaster of Paris is
Zinc and cold dil. $ HNO_3$ reacts to produce
Tincture of iodine is
Methyl- $\alpha$ -D-glucoside and methyl $\beta$ -D-glucoside are
The long form of Periodic Table asked on
When lead nitrate is heated, it gives
Sucrose is an example of
Liquor ammonia is
Formalin is the commercial name of
Which of the following is not correct?
The compound(s) formed upon combustion of sodium metal in excess air is (are)
Carbon shows the following oxidation state in its hydrides
The geometrical shape of $ sp^{3}d$ hybridisation is
Which one of the following examples exhibit transient existence?
According to Huckel's rule an aromatic compound must possess
Among the following metal carbonyls, the $C-O$ bond order is lowest in
The percentage of $p$-character in the orbitals forming $P-P$ bonds in $P_4$ is
Among the following, the least stable resonance structure is
A solution of a metal ion when treated with $KI$ gives a red precipitate which dissolves in excess $KI$ to give a colourless solution. Moreover, the solution of metal ion on treatment with a solution of cobalt (II) thiocyanate gives rise to a deep blue crystalline precipitate. The metal ion is
Which of the following is the electron deficient molecule?
Which of the following does not reduce Fehling?s solution?
The most stable compound is
The monomer of the polymer
The correct sequence of increasing covalent character is represented by