JEE Main 2020 (Online) 2nd September Morning Slot

The major aromatic product C in the following
reaction sequence will be :

The increasing order of the following
compounds towards HCN addition is :

The number of chiral carbons present in the
molecule given below is _____ .

The IUPAC name for the following compound
is

Consider the following rections:

'x', 'y' and 'z' in these reactions are respectively.

If AB4 molecule is a polar molecule, a possible
geometry of AB4 is

An open beaker of water in equilibrium with
water vapour is in a sealed container. When a
few grams of glucose are added to the beaker
of water, the rate at which water molecules :

The oxidation states of iron atoms in
compounds (A), (B) and (C), respectively, are x,
y and z. The sum of x, y and z is ________.
Na4[Fe(CN)5(NOS)]
       (A)
Na4[FeO4]
       (B)
[Fe2(CO)9]
       (C)

Consider that a d6 metal ion (M2+) forms a
complex with aqua ligands, and the spin only
magnetic moment of the complex is 4.90 BM.
The geometry and the crystal field stabilization
energy of the complex is

For octahedral Mn(II) and tetrahedral Ni(II)
complexes, consider the following statements:
(I) both the complexes can be high spin.
(II) Ni(II) complex can very rarely be low spin.
(III) with strong field ligands, Mn(II) complexes
can be lo...

The Gibbs change (in J) for the given reaction at
[Cu2+] = [Sn2+] = 1 M and 298K is :
Cu(s) + Sn2+(aq.) \(\to\) Cu2+(aq.) + Sn(s);
(\(E_{S{n^{2 + }}|Sn}^0 = - 0.16\,V\),
\(E_{C{u^{2 + }}|Cu}^0 = 0.34\,V\))
Take F = 96500 C mol–1)

The statement that is not true about ozone is :

Which one of the following graphs is not
correct for ideal gas?

d = Density, P = Pressure, T = Temperature

Which of the following compunds will show
retention in configuration on nucleophilic
substitution by OH– ion?

The major product in the following reaction is :

For the following Assertion and Reason, the
correct option is
Assertion (A): When Cu (II) and sulphide ions
are mixed, they react together
extremely quickly to give a
solid.
Reason (R): The equilibrium constant of
Cu2+(aq) + S2–(aq) ⇌ CuS(s...

On heating compound (A) gives a gas (B) which
is a constituent of air. This gas when treated
with H2 in the presence of a catalyst gives
another gas (C) which is basic in nature. (A)
should not be :

In general the property (magnitudes only) that
show an opposite trend in comparison to other
properties across a period is

In Carius method of estimation of halogen,
0.172 g of an organic compound showed
presence of 0.08 g of bromine. Which of these
is the correct structure of the compound?

While titrating dilute HCl solution with aqueous
NaOH, which of the following will not be
required?

The metal mainly used in devising
photoelectric cells is :

The figure that is not a direct manifestation of
the quantum nature of atoms is :

Which of the following is used for the
preparation of colloids?

The mass of gas adsorbed, x, per unit mass of
adsorbate, m, was measured at various pressures,
p. A graph between \(\log {x \over m}\)
and log p gives a
straight line with slope equal to 2 and the intercept
equal to 0.4771. The value of
$$...

The internal energy change (in J) When 90 g of
water undergoes complete evaporation at
100oC is ____________.
(Given : \(\Delta\)Hvap for water at 373 K = 41 kJ/mol,
R = 8.314 JK–1 mol–1)