JEE Main 2019 (Online) 9th April Morning Slot

The major product of the following reaction is :
\({\rm{C}}{{\rm{H}}_3}{\rm{CH = CHC}}{{\rm{O}}_2}{\rm{CH_3 }}\buildrel {LiAl{H_4}} \over \longrightarrow\)

Aniline dissolved in dilute HCl is reacted with
sodium nitrite at 0ºC. This solution was added
dropwise to a solution containing equimolar
mixture of aniline and phenol in dil. HCl. The
structure of the major product is

The major product of the following reaction is :

The major product of the following reaction is :

The correct IUPAC name of the following
compound is :

The increasing order of reactivity of the
following compounds towards aromatic
electrophilic substitution reaction is :

Which of the following statements is not true
about sucrose?

Among the following, the molecule expected
to be stabilized by anion formation is :
C2, O2, NO, F2

The given plots represent the variation of the
concentration of a reactant R with time for two
different reactions (i) and (ii). The respective
orders of the reactions are :

The one that will show optical activity is :
(en = ethane-1,2-diamine)

The degenerate orbitals of [Cr(H2O)6]3+ are :

The standard Gibbs energy for the given cell
reaction in kJ mol–1 at 298 K is :
Zn(s) + Cu2+ (aq) \(\to\) Zn2+ (aq) + Cu (s),
E° = 2 V at 298 K
(Faraday's constant, F = 96000 C mol–1)

Excessive release of CO2 into the atomosphere
results in :

Consider the van der Waals constants, a and b,
for the following gases.

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The major product of the following reaction is :

The major product of the following reaction is :

The number of water molecule(s) not
coordinated to copper ion directly in
CuSO4.5H2O, is :

The ore that contains the metal in the form of
fluoride is :

C60 an allotrope of carbon contains :

The element having greatest difference between
its first and second ionization energies, is :

The organic compound that gives following
qualitative analysis is :

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The correct order of the oxidation states of
nitrogen in NO, N2O, NO2 and N2O3 is :

Magnisium powder burns in air to give :

The osmotic pressure of a dilute solution of an
ionic compound XY in water is four times that
of a solution of 0.01 M BaCl2 in water.
Assuming complete dissociation of the given
ionic compounds in water, the concentration of
XY (in mol L–1)...

Liquid 'M' and liquid 'N' form an ideal solution.
The vapour pressures of pure liquids 'M' and
'N' are 450 and 700 mmHg, respectively, at the
same temperature. Then correct statement is:
(xM = Mole fraction of 'M' in solution ;
xN = Mole fr...

For a reaction,
N2(g) + 3H2(g) \(\to\) 2NH3(g) ;
identify dihydrogen (H2) as a limiting reagent
in the following reaction mixtures.

For any given series of spectral lines of atomic
hydrogen, let \(\Delta \mathop v\limits^\_ =\) \(\Delta {\overline v _{\max }} - \Delta {\overline v _{\min }}\) be the difference
in maximum and minimum frequencies in
cm–1. The ratio Lyma...

The aerosol is a kind of colloid in which :

Match the catalysts (Column I) with products
(Column II).

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Among the following, the set of parameters that
represents path function, is :
(A) q + w
(B) q
(C) w
(D) H–TS