List of top Questions asked in JEE Advanced

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

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 ?

The value of the definite integral $\int _0^1 (1+e^{-x^2}) dx \, is$

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 $Ni^2$ ?

A solution of sodium metal in liquid ammonia is strongly reducing due to the presence of

The ratio of root mean square velocity to average velocity of a gas molecule at a particular temperature is

The standard reduction potentials at 298K for the following half cells are given : $Zn^{2+}(aq)+2e^- \rightleftharpoons Zn(s);\, E^\circ = -0.762\, V$ $Cr^{3+}(aq)+3e^- \rightleftharpoons Cr(s);\, E^\circ = -0.740\, V$ $2H^{+}(aq)+2e^- \rightleftharpoons H_2(g);\, E^\circ = -0.000\, V$ $\, \, \, Fe^{3+}(aq)+e^- \rightleftharpoons Fe^{2+} (aq);\, E^\circ = -0.770\, V$

The correct order of second ionisation potential of carbon, nitrogen, oxygen and fluorine is

The equation $\frac{x^2}{1-r}-\frac{y^2}{1+r}=1,|r|<1$ represents

If a molecule $MX_3$, has zero dipole moment, the sigma bonding orbitals used by M (atomic number < 21) are

Ten different letters of an alphabet are given, Words with five letters are formed from these given letters. The number of words which have at least one of their letter repeated is

The value of the expression \(^{47}C_4+ \displaystyle \sum^5_{j = 1} , ^{52-j}C_3\) is

If a machine is lubricated with oil

Which of the following is soluble in water?

Which of the following will decolourise alkaline $KMnO_4$ solution?

When a ray of light enters a glass slab from air

Two masses of 1 g and 4 g are moving with equal kinetic energies. The ratio of the magnitudes of their momenta is

The probability that an event A happens in one trial of an experiment, is 0.4. Three independent trials of the experiments are performed. The probability that the event A happens at least once, is

Two events A and B have probabilities 0.25 and 0.50, respectively. The probability that both A and B occur simultaneously is 0.14. Then, the probability th a t neither A nor B occurs, is

Given positive integers $r >1, n > 2$ and the coefficient of $(3r)th$ and $ (r + 2)th $ terms in the binomial expansion of $(1 + x)^2n$ are equal. Then,