List of top Chemistry Questions asked in JEE Advanced

$Fe^{3+}$ is reduced to $Fe^{2+}$ by using -

The correct statement(s) about $Cr^{2+}$ and $Mn^{3+}$ is (are) - [Atomic numbers of $Cr = 24$ and $Mn = 25$]

Hydrogen peroxide in its reaction with $ KIO_4 $ and $ NH_2OH $ respectively, is acting as a

For the elementary reaction, $M\rightarrow N$, the rate of disappearance of $M$ increases by a factor of $8$ upon doubling the concentration of $M$. The order of the reaction with respect to $M$ is

In a galvanic cell, the salt bridge

The radiation corresponding to $3\rightarrow2$ transition of hydrogen atom falls on a metal surface to produce photoelectrons. These electrons are made to enter a magnetic field of $3\times10^{-4}$T. If the radius of the largest circular path followed by these electrons is 10.0 mm, the work function of the metal is close to

In the reaction shown below, the major product(s) formed is/are

The product formed in the reaction of $SOCl_2$ with white phosphorus is

The correct combination of names for isomeric alcohols with molecular formula $C_4H_{10}O $ is/are

The acidic hydrolysis of ether $(X)$ shown below is fastest when

Assuming $2s-2p$ mixing is not operative, the paramagnetic species among the following is

Isomers of hexane, based on their branching, can be divided into three distinct classes as shown in the figure. The correct order of their boiling point is

Upon heating with $Cu_2S.$ the reagent(s) that give copper metal is/are

For the reaction: $I ^{-}+ ClO _{3}^{-}+ H _{2} SO _{4} \longrightarrow Cl ^{-}+ HSO _{4}^{-}+ I _{2}$ The correct statement(s) in the balanced equation is/are:

The correct statement(s) about $O_3$ is/are

Benzene and naphthalene form an ideal solution at room temperature. For this process, the true statement(s) is (are)

The $ K_{sp} \, of \, Ag_2CrO_4 $ is $ 1.1 \times 10^{ - 12 } $ at 298 K. The solubility (in mol/L) of $Ag_2 CrO_4 $ in $ a 0.1 M \, AgNO_3 $ solution is

How many litres of water must be added to 1 L of an aqueous solution of HCL with a pH of 1 to create an aqueous solution with pH of 2?

The thermal dissociation of equilibrium of $CaCO_3 $ (s) is studied under different conditions $ CaCO_3 \, ( g) \rightleftharpoons CaCO ( g ) + CO_2 ( g)$ For this equilibrium, the correct statement(s) is/are

Methylene blue, from its aqueous solution, is adsorbed on activated charcoal at $25^\circ $C. For this process, the correct statement is

Consider the following complex ions, $P, Q$ and $R$. $P=[FeF_6]^{3-},Q=[V(H_2O)_6]^{2+} and \, R=[Fe(H_2O)_6]^{2+} $ The correct order of the complex ions, according to their spin-only magnetic moment values (in $B.M.$) is

The compound that does not liberate $CO_2$, on treatment with aqueous sodium bicarbonate solution, is

The hyperconjugative stabilities of tert-butyl cation and 2-butene, respectively, are due to

The carbon-based reduction method is not used for the extraction of

Upon treatment with ammoniacal $H_2 S$, the metal ion that precipitates as a sulphide is