List of top Chemistry Questions

Mesomeric effect involves delocalisation of
The calculated bond order of superoxide ion $(O_2^- )$ is
Which of the following electrolytic solutions has the least specific conductance ?
Which of the following is considered as an anticancer species?
$80\,g$ of oxygen contains as many atoms as in
$10 \,cm^3$ of $0.1\, N$ monobasic acid requires $15 \,cm^3$ of sodium hydroxide solution whose normality is
Which of the following species does not exert a resonance effect ?
Malleability and ductility of metals can be accounted due to
Which is the most easily liquifiable rare gas ?
Which of the following can be measured by the Ostwald-Walker dynamic method ?
The angle strain in cyclobutane is
Mass of $0.1\, mole$ of methane is
When compared to $\Delta G^\circ$ for the formation of $Al_2O_3$, the $\Delta G^\circ$ for the formation of $Cr_2O_3$ is
Which among the following factors is the most important in making fluorine the strongest oxidising agent?
Which one of the following ions has the highest value of ionic radius ?
The basic principle of Cottnell's precipitator is
Among the following, which is least acidic ?
The overlapping of orbitals in benzene is of the type
A ligand can also be regarded as
The IUPAC name for tertiary butyl iodide is
Sodium nitrate on reduction with $Zn$ in presence of $NaOH$ solution produces $NH_3$ Mass of sodium nitrate absorbing $1$ mole of electron will be
An ester $ (A) $ with molecular formula $ C_9H_{10}O_2 $ was treated with excess of $ CH_3MgBr $ and the complex so formed was treated with $ H_2SO_4 $ to give an olefin $ (B) $ . Ozonolysis of $ (B) $ gave a ketone with molecular formula $ C_8H_8O $ which shows positive iodoform test. The structure of $ (A) $ is
The final product of the following reaction is/are
Which of the following is chiral?
The phenomenon observed when a beam of light is passed through a colloidal solution, is