NTA JEE Mains 5th April 2024 Shift 1

Given below are two statements: Statement I : Nitration of benzene involves the following step 

Statement II : Use of Lewis base promotes the electrophilic substitution of benzene. In the light of the above statements, choose the most appropriate answer from the options given below :

The reaction at cathode in the cells commonly used in clocks involves.

Molar ionic conductivities of divalent cation and anion are $$57 \text{ S cm}^2 \text{ mol}^{-1}$$ and $$73 \text{ S cm}^2 \text{ mol}^{-1}$$ respectively. The molar conductivity of solution of an electrolyte with the above cation and anion will be :

The metal that shows highest and maximum number of oxidation state is :

Which one of the following complexes will exhibit the least paramagnetic behaviour? [Atomic number, $$Cr = 24, Mn = 25, Fe = 26, Co = 27$$]

The correct order of ligands arranged in increasing field strength.

Given below are two statements: Statement I : Bromination of phenol in solvent with low polarity such as $$CHCl_3$$ or $$CS_2$$ requires Lewis acid catalyst. Statement II : The Lewis acid catalyst polarises the bromine to generate $$Br^+$$. In the light of the above statements, choose the correct answer from the options given below :

Identify compound (Z) in the following reaction sequence.

Identify '$$A$$' in the following reaction:

Which of the following gives a positive test with ninhydrin?