List of top Chemistry Questions asked in JEE Advanced

The number of S - S bonds in sulphur trioxide trimer, $(S_3O_9)$ is

The correct order of equivalent conductance at infinite dilution of $LiCl, NaCl $ and $KCl $ is

In a solid $'AB'$ having the $NaCl$ structure, $'A'$ atoms occupy the corners of the cubic unit cell. If all the face centred atoms along one of the axes are removed, then the resultant stoichiometry of the solid is

I -propanol and 2-propanol can be best distinguished by

Saturated solution of $KNO_3$ is used to make -salt-bridge- because

The number of nodal planes in a $p_x$ orbital is

The wavelength associated with a golf ball weighing 200 g and moving at a speed of 5 m/h is of the order

The quantum numbers $+\frac{1}{2}$ and $-\frac{1}{2}$ for the electron spin represent

Electrolytic reduction of alumina to aluminium by Hall-Heroult process is carried out

The correct order of acidic strength is

For the reversible reaction, $ N_2 \, ( g) + 3H_2 \, ( g) \leftrightharpoons 2NH_3 \, ( g ) $ at $ 500^\circ \, C, $ the value of $ K_p = 1.44 \times 10^ { - 5 } $ when partial pressure is measured in atmosphere. The corresponding value of $K_c$ with concentration in mol/L is

When two reactants, A and B are mixed to give products, C and D, the reaction quotient, (Q) at the initial stages of the reaction

Which of the following has the highest nucleophilicity?

Which of the following, has the most acidic hydrogen?

The order of reactivities of the following alkyl halides for a $S_N$2 reaction is-

The compressibility of a gas is less than unity at STP. Therefore,

Propyne and propene can be distinguished by

For the equilibrium,${ MgCO_3(s) <=>[\triangle] MgO(s)+CO_2 (g)} $ which of the following expressions is correct ?

Benzoyl chloride is prepared from benzoic acid by

At 100$^\circ$C and 1 atm. if the density of liquid water is 1.0 g $cm^{-3}$ and that of water vapour is 0.0006 g $cm^{-3}$, then the volume occupied by water molecules in 1 litre of steam at that temperature

Amongst the following, identify the species with an atom in + 6 oxidation state

Amongst $H_2O , H_2S, H_2Se$ and $H_2Te,$ the 1one with the highest boiling point is

The number of $P - O - P$ bonds in cyclic metaphosphoric acid is

Ammonia can be dried by

The rms velocity of hydrogen is $\sqrt{7}$ times the rms velocity of nitrogen. If T is the temperature of the gas