List of top Chemistry Questions

An alkene having molecular formula $C_8H_{12}$ on ozonolysis yields glyoxal and 2, 2-dimethyl butane-1, 4-dial. The structure of alkene is
By what factor does the average velocity of a gaseous molecule increase when the temperature (in kelvin) is doubled?
The amount of heat evolved when $500 \, cm^3$ of $0.1 \, M \, HCl$ is mixed with $200\,cm^3$ of $0.2 \, M \, NaOH$ is
Which of the following elements is present as the impurity to the maximum extent in the pig iron?
Phenol can be converted to o-hydroxybenzaldehyde by
When 'blue vitriol' is heated at $373 \,K$, the product formed is
Which one among the following is most reactive towards electrophilic substitution reaction?
In a volumetric experiment, it was found that a solution of $KMnO _{4}$ is reduced to $MnSO _{4}$. If the normality of the solution is $1.0\, N$, then the molarity of the solution will be
Chloroform on heating with silver powder gives
The lanthanide element that has the electronic configuration, $ [Xe]4f^{7}5d^{1}6s^{2} $ is
Which one of the following is a secondary amine?
In a reaction $ 2A+B\to A_{2}B, $ the reactant $B$ will disappear at
The alloy of copper that contains zinc is
In zinc blende structure, the coordination number of the cation is
In which of the following compounds, carbon exhibits a valency of $4$ but oxidation state $-2$ ?
Which one of the following amines cannot be prepared by Gabriel's synthesis?
When a solution containing non-volatile solute is diluted with water
Which of the following compound is chiral?
The van't Hoff factor $i$ for a dilute aqueous solution of sucrose is
Which of the following is a correct name according to IUPAC rules?
Which of the following is the largest is size?
The $S.I$ unit of activity of a radioactive sample is
Phenol on heating with alcoholic $KOH$ and chloroform - undergoes
Freundlich adsorption isotherm equation is
The correct order of reducing character of alkali metals is