List of top Chemistry Questions asked in JEE Advanced

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 will approach ideal behaviour at
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
The optically active tartaric acid is named as D-(+)-tartaric acid because it has a positive
On heating ammonium dichromate, the gas evolved is
In compounds of type $EC1_3$, where E = B , P, As or Bi, the angles Cl-E - Cl for different E are in the order
In the compound $CH_2=CH-CH_2-CH_2-C \equiv CH$, the $C_2-C_3$ bonds is of
Among the following compounds, the strongest acid is
Two cylinders A and B fitted with pistons contain equal amounts of an ideal diatomic gas at 300 K. The piston of A is free to move, while that of B is held fixed. The same amount of heat is given to the gas in each cylinder. If the rise in temperature of the gas in A is 30 K, then the rise in temperature of the gas in B is
Highly pure dilute solution of sodium in liquid ammonia
For the first order reaction,
A new carbon-carbon bond formation is possible in
Which of the following statement (s) is (are) correct ?
Which of the following will undergo aldol condensation?
White phosphorus $(P_4)$ has
If $K_1$ and $K_2$ are the respective equilibrium constants for the two reactions, ${ XeF_6(g)+H_2O(g) <=> XeOF_4(g)+2HF(g)}$ ${ XeO_4(g)+XeF_6(g) <=> XeOF_4(g)+ XeO_3F_2(g)}$ The equilibrium constant of the reaction, ${XeO_4(g)+2HF(g) <=> XeO_3F_2(g)+H_2O(g)}$
Benzyl chloride $(C_6 H_5 CH_2 Cl)$ can be prepared from toluene by chlorination with
Benzene diazonium chloride on reaction with phenol in weakly basic medium gives
Which of the following statement(s) is/are correct?
Which of the following statement(s) is/are correct when a mixture of NaCI and K$_2Cr_2O_7$ is gently warmed with cone. $H_2SO_4 ? $
A new carbon-carbon bond formation is possible in
Sodium nitrate decomposes above $ \approx; 800^\circ C $ to give