List of top Chemistry Questions asked in JKCET

What happens when blood cells are placed in pure water?
Which one among the following is most reactive towards electrophilic substitution reaction?
When 'blue vitriol' is heated at $373 \,K$, the product formed is
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
The lanthanide element that has the electronic configuration, $ [Xe]4f^{7}5d^{1}6s^{2} $ is
Chloroform on heating with silver powder gives
In a reaction $ 2A+B\to A_{2}B, $ the reactant $B$ will disappear at
Which one of the following is a secondary amine?
In which of the following compounds, carbon exhibits a valency of $4$ but oxidation state $-2$ ?
In zinc blende structure, the coordination number of the cation is
The alloy of copper that contains zinc is
Which one of the following amines cannot be prepared by Gabriel's synthesis?
When a solution containing non-volatile solute is diluted with water
The van't Hoff factor $i$ for a dilute aqueous solution of sucrose is
Which of the following compound is chiral?
Which of the following is a correct name according to IUPAC rules?
The $S.I$ unit of activity of a radioactive sample is
Which of the following is the largest is size?
Phenol on heating with alcoholic $KOH$ and chloroform - undergoes
The correct order of reducing character of alkali metals is
Freundlich adsorption isotherm equation is
The best coagulant for the precipitation of $Fe ( OH )_{3}$ is
Two oxides of a metal contain $36.4 \%$ and $53.4 \%$ of oxygen by mass respectively. If the formula of the first oxide is $M _{2} O$, then that of the second is
The standard enthalpy of formation of $C_2H_{4(g)}, CO_{2(g)}$ and $H_2O_{(l)}$ are $52, -394$ and $-286\, kJ\, mol^{-1}$ respectively. Then the amount of heat evolved by burning $7\, g$ of $C_2H_{4(g)}$ is
Chemically unreactive three different gases $A, B$ and $C$ of molecular masses $16, 32$ and $64$ are enclosed in a vessel at constant temperature till equilibrium is reached. Which of the following statements is true?