List of top Chemistry Questions asked in JEE Advanced

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
For the chemical reaction,$3 X ( g) + Y ( g) \rightleftharpoons \, X_3 \, Y $ ( g) the amount of $X_3 Y$ at equilibrium is affected by
In the dichromate dianion
The correct statement regarding defects in solids is
In the depression of freezing point experiment, it is found that the
The following statement (s) is are correct
A buffer solution can be prepared from a mixture of
The number of neutrons accompanying the formation of $^{139}_{54}Xe \, \, and \, \, ^{94}_{38}Sr$ from the absorption of a slow neutron by $^{235}_{92}U,$ followed by nuclear fission is
The optically active tartaric acid is named as D-(+)-tartaric acid because it has a positive
One mole of calcium phosphide on reaction with excess water gives
The oxidation number of sulphur in $S_8 , S_2F_2, H_2S$ respectively, are
The normality of 0.3 M phosphorus acid $(H_3PO_3)$ is
The coordination number of metal crystallising in a hexagonal close packing is
Ionic radii of
A gas $X$ at $1$ atm is bubbled through a solution containing a mixture of $1M$ $Y^-$ and $1 MZ^-$ ions at $25 ^\circ C$. If the reduction potenital of $Z > Y > X$, then
A gas will approach ideal behaviour at
The optically active tartaric acid is named as D-(+)-tartaric acid because it has a positive
On heating ammonium dichromate, the gas evolved is