List of top Chemistry Questions

The pale blue syrupy liquid, $H_{2}O_{2}$ discovered by J. Thenard, is estimated by using
The oxide which on dissolving in water turns blue litmus red is
The oxidation state of oxygen in $O_2F_2$ is
The oxidation state of phosphorus vary from
The oxidation states of iodine in $ {HIO_4, H_3IO_5}$ and $ {H5IO6}$ are respectively
The oxidation states shown by hydrogen are
The oxidation number of sulphur in $ {H2S2O7}$ is:
The oxidation state of Fe in $K_4[Fe(CN)_6]$ is
The oxidation state of osmium (Os) in $ {OsO_4}$ is
The oxidation state of oxygen in $O_2 Pt F_6$
The oxidation number of P in $Mg_2P_2O_7$ is
The oxidation number of S in $ {Na_2S_4O_6}$ is
The oxidation number of sulphur in $H_2SO_4, H_2S_2O_4 \, and \, H_2S_2O_6$ are respectively
The oxidation number of Mn in $ {KMnO_4}$ is
The oxidation number of Mn in the product of alkaline oxidative fusion of $MnO_2$ is
The oxidation number of Mn is +7 in
The oxidation number of P in $HP_2O^-_7$ ion is
The oxidation number of $Cr$ in $CrO_5$ which has the following structure is
The oxidation number of Fe in $[Fe(CN)_6]^{3-}$ ion is
The oxidation number of iron in $Fe_3O_4$ is
The oxidation number of $Cr\, in\, CrO_5$ is
The oxidation number of carbon in $ {H_2C_2O_4}$
The oxidation number of C in $CH_4, CH_3Cl. CH_2Cl_2, CHCl_3 \,and \,CCl_4$ is respectively
The oxidation number of C in sucrose $C_{12}H_{22}O_{11}$ is
The oxidation number of carbon in $ {CH_2O}$ is