List of top Chemistry Questions asked in JEE Main

Glycosidic linkage is actually an :

In a face centred cubic lattice, atoms of $A$ form the comer points and atoms of $B$ form the face centred points. If two atoms of $A$ are missing from the comer points, the formula of the ionic compound is :

In Goldschmidt aluminothermic process which of the following reducing agents is used:

In nucleophilic substitution reaction, order of halogens as incoming (attacking) nucleophile is: $I^- > \, Br^{-} > \, Cl^-$ The order of halogens as departing nucleophile should be:

In reaction $A + 2B {\rightleftharpoons} 2C + D$, initial concentration of $B$ was $1.5$ times of $[A]$, but at equilibrium the concentrations of $A$ and $B$ became equal. The equilibrium constant for the reaction is :

Rate of dehydration of alcohols follows the order:

Solid $Ba(NO_3)_2$ is gradually dissolved in a $1.0 \times 10^{-4}$ M $Na_2CO_3$ solution. At which concentration of $Ba^{2+}$, precipitate of $BaCO_3$ begins to form ? ($K_{sp}$ for $BaCO_3 = 5.1 \times 10^{-9}$)

The catenation tendency of $C, Si$ and $Ge$ is in the order Ge $

The correct order of viscosity of the following liquids will be:

The correct set of four quantum numbers for the valence electrons of rubidium atom $(Z = 37)$ is

The molarity of a solution obtained by mixing $750\, mL$ of $0.5\, M \,HCl$ with $250\, mL$ of $2 \,M \,HCl$ will be

The order of basicity of amines in gaseous state is:

The reaction of phenol with benzoyl chloride to give phenyl benzoate is known as :

Vapour pressure of pure benzene is $119$ torr and that of toluene is $37.0$ torr at the same temperature. Mole fraction of toluene in vapour phase which is in equilibrium with a solution of benzene and toluene having a mole fraction of toluene $0.50$, will be :

Which has trigonal bipyramidal shape ?

Which of the following enzyme converts starch into maltose?

$XeO_4$ molecule is tetrahedral having :

Which one of the following statements about packing in solids is ?

Which one of the following molecules is polar?

Which one of the following is the wrong assumption of kinetic theory of gases?

Which one of the following is most stable?

Which one has the highest boiling point?

Which of the following structures represents thymine?

Which of the following is the wrong statement?