List of top Chemistry Questions asked in JEE Advanced

Faraday's laws of electrolysis are related to the

When propyne is treated with aqueous $H_2SO_4$ , in the presence of $HgSO_4$ , the product formed is

Which one among the following does not have the hydrogen bond?

The ion that is isoelectronic with CO is

Among the following, the compound that can be most readily sulphonated is

The precipitate of C$aF_2, \, ( K_{sp} = 1.7 \times 10^{ - 10 } )$ is obtained, when equal volumes of which of the following are mixed?

Helium atom is two times heavier than a hydrogen molecule. At $298\, K$ the average kinetic energy of a helium atom is

The compound with highest boiling point is

In the metallurgy of iron, limestone is added to the blast furnace. The calcium ions end up as

The ion that cannot be precipitated by both HCl and $H_2 S$ is

Iron is rendered passive by treatment with concentrated

Among the following, the linear molecule is

If 0.5 mol of $BaCl_2$ is mixed with 0.2 mol of $Na_3PO_4$ the maximum number of moles of $Ba_3(PO_4 )_2$ that can be formed is

The temperature ar which a real gas obeys the ideal gas laws over a wide range of pressure is

An azeotropic solution of two liquids has boiling point lower than either of them when it

The rate constant of a reaction depends on

Pure ammonia is placed in a vessel at a temperature where its dissociation constant ($\alpha$ ) is appreciable. At equilibrium, $N_2 + 3H_2 \rightleftharpoons 2NH_3$

The equilibrium $SO_2CI_2 \, ( g) \rightleftharpoons SO_2 \, ( g) + CI_2 \, ( g)$ is attained at $25^\circ$C in a closed container and an inert gas, helium is introduced. Which of the following statements are correct ?

At $90^\circ C,$ pure water has $[H_3 O^+]$ as $10^{ - 6 } \, mol \, L^{ - 1}$. What is the value of $K_w \, at \, 90^\circ$ C ?

For the reaction $2HI_{(g)} \leftrightharpoons H_{2(g)} + I_ {2(g)} -Q\, KJ$ , the equilibrium constant depends upon

The $pH$ of $10^{-8}\, M \,HCl$ solution is

The compound which is not isomeric with diethyl ether is

HBr and HI reduce sulphuric acid, HCl can reduce $KMnO_4$ and HF can reduce

How many unpaired electrons are present in $Ni^2$ ?