JEE Main 2019 (Online) 8th April Evening Slot

The major product obtained in the following
reaction is

Which of the following compounds will show
the maximum 'enol' content?

Fructose and glucose can be distinguished by :

Among the following molecules / ions,
\(C_2^{2 - },N_2^{2 - },O_2^{2 - },{O_2}\)
which one is diamagnetic and has the shortest
bond length?

The covalent alkaline earth metal halide
(X = Cl, Br, I) is :

The correct statement about ICl5 and \(ICl_4^-\) is

The ion that has sp3d2 hybridization for the
central atom, is :

For the following reactions, equilibrium
constants are given :
S(s) + O2(g) ⇋ SO2(g); K1 = 1052
2S(s) + 3O2(g) ⇋ 2SO3(g); K2 = 10129
The equilibrium constant for the reaction,
2SO2(g) + O2(g) ⇋ 2SO3(g) is :

For a reaction scheme \(A\buildrel {{k_1}} \over \longrightarrow B\buildrel {{k_2}} \over \longrightarrow C\),
if
the rate of formation of B is set to be zero then
the concentration of B is given by :

The major product of the following reaction is:

The major product obtained in the following
reaction is :

The calculated spin-only magnetic moments
(BM) of the anionic and cationic species of
[Fe(H2O)6]2 and [Fe(CN)6], respectively, are :

The compound that inhibits the growth of
tumors is :

The statement that is INCORRECT about the
interstitial compounds is :

Calculate the standard cell potential in (V) of the
cell in which following reaction takes place :
Fe2+(aq) + Ag+(aq) \(\to\) Fe3+(aq) + Ag (s)
Given that
\(E_{A{g^ + }/Ag}^o = xV\)
\(E_{Fe^{2+ }/Fe}^o = yV\)
\(E_{Fe^{3+ }/Fe}^o = zV\)

The maximum prescribed concentration of
copper in drinking water is :

The major product of the following reaction is:

Which one of the following alkenes when
treated with HCl yields majorly an anti
Markovnikov product?

The major product in the following reaction is :

Polysubstitution is a major drawback in:

The strength of 11.2 volume solution of H2O2
is : [Given that molar mass of H = 1 g mol–1
and O = 16 g mol–1]

The Mond process is used for the

The IUPAC symbol for the element with atomic
number 119 would be :

The structure of Nylon-6 is :

Consider the bcc unit cells of the solids 1 and
2 with the position of atoms as shown below.
The radius of atom B is twice that of atom A.
The unit cell edge length is 50% more in solid
2 than in 1. What is the approximate packing
efficienc...

0.27 g of a long chain fatty acid was dissolved
in 100 cm3 of hexane. 10 mL of this solution
was added dropwise to the surface of water in
a round watch glass. Hexane evaporates and a
monolayer is formed. The distance from edge
to centre of...

For the solution of the gases w, x, y and z in
water at 298K, the Henrys law constants (KH)
are 0.5, 2, 35 and 40 kbar, respectively. The
correct plot for the given data is :-

The percentage composition of carbon by mole
in methane is :

If p is the momentum of the fastest electron
ejected from a metal surface after the irradiation
of light having wavelength \(\lambda\), then for 1.5 p
momentum of the photoelectron, the
wavelength of the light should be:
(Assume kinetic en...

5 moles of an ideal gas at 100 K are allowed
to undergo reversible compression till its
temperature becomes 200 K.
If CV = 28 JK–1mol–1, calculate \(\Delta\)U and \(\Delta\)pV for
this process. (R = 8.0 JK–1 mol–1]