JEE Main 2017 (Online) 8th April Morning Slot

The major product of the following reaction is :

A mixture containing the following four compounds is extracted with \(1M\) \(HCl.\) The compound that goes to aqueous layer is :

The IUPAC name of the following compound is :

Which of the following statements is not true about partition chromatography?

Among the following, the essential amino acid is :

Which of the following is paramagnetic ?

sp3d2 hybridization is not displayed by :

The rate of a reaction A doubles on increasing the temperature from 300 to 310 K. By how much, the temperature of reaction B should be Increased from 300 K so that rate doubles if activation energy of the reaction B is twice to that of reac...

The reason for “drug induced poisoning” is :

The major product expected from the following reaction is :

The pair of compounds having metals in their highest oxidation state is :

What is the standard reduction potential (Eo) for Fe3+ \(\to\) Fe ?
Given that :
Fe2+ + 2e\(-\) \(\to\) Fe; \(E_{F{e^{2 + }}/Fe}^o\) = \(-\)0.47 V
Fe3+ + e\(-\) \(\to\) Fe2+; \(E_{F{e^{3 + }}/F{e^{2 + }}}^o\) = +0.77 V

Consider the following standard electrode potentials (Eo in volts) in aqueous solution :

.tg {border-collapse:collapse;border-spacing:0;}
.tg td{font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width...

Identify the pollutant gases largely responsible for the discoloured and
lustreless nature of marble of the Taj Mahal.

Among the following, the incorrect statement is :

Which of the following compounds will not undergo Friedel Craft’s reaction with benzene ?

The major product of the following reaction is :

The major product of the following reaction is :

In which of the following reactions, hydrogen peroxide acts as an oxidizing
agent ?

Additin of sodium hydroxide solution to a weak acid (HA)results in a buffer of pH 6. If ionition constant of HA is 10\(-\)5, the ratio of salt to acid concentration in the buffer solution will be :

A metal ‘M’ reacts with nitrogen gas to afford ‘M3N’. ‘M3N’ on heating at high temperature gives back ‘M’ and on
reaction with water produces a gas ‘B’. Gas ‘B’ reacts with aqueous
solution of CuSO4 to form a deep blue compound. ‘M’ and
‘...

The number of S = O and S − OH bonds present in peroxodisulphuric acid and pyrosulphuric acid respectively are :

Consider the following ionization enthalpies of two elements 'A' and 'B' .

.tg {border-collapse:collapse;border-spacing:0;}
.tg td{font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:...

A solution containing a group-IV cation gives a precipitate on passing H2S. A solution of this precipitate in dil.HCl produces a white precipitate with NaOH solution and bluish-white precipitate with basic potassium ferrocyanide. The cation...

5 g of Na2SO4 was dissolved in x g of H2O. The change in freezing point was found to be
3.82oC. If Na2SO4 is 81.5% ionised,
the value of x
(Kf for water=1.86oC kg mol−1) is approximately :
(molar mass of S = 32 g mol−1 and that of Na = ...

Excess of NaOH (aq) was added to 100 mL of FeCl3 (aq) resulting into 2.14 g of Fe(OH)3 . The molarity of FeCl3 (aq) is :
(Given molar mass of Fe = 56 g mol−1 and molar mass of Cl = 35.5 g mol−1)

If the shortest wavelength in Lyman series of hydrogen atom is A, then the longest wavelength in Paschen series of He+ is :

Among the following, correct statement is :

The enthalpy change on freezing of 1 mol of water at 5oC to ice at −5oC is :
(Given \(\Delta\)fusH = 6 kJ mol\(-\)1 at 0oC,
Cp(H2O, \(\ell\) = 75.3J mol\(-\)1 K\(-\)1)
Cp(H2O s) =36.8 J mol\(-\)1 K\(-\)1)

For a reaction, A(g) \(\to\) A(\(\ell\)); \(\Delta\)H= \(-\) 3RT.
The correct statement for the reaction is :