NTA JEE Main 24th January 2023 Shift 2

Which one amongst the following are good oxidising agents?
(a) Sm$$^{2+}$$
(b) Ce$$^{2+}$$
(c) Ce$$^{4+}$$
(d) Tb$$^{4+}$$
Choose the most appropriate answer from the options below:

K$$_2$$Cr$$_2$$O$$_7$$ paper acidified with dilute H$$_2$$SO$$_4$$ turns green when exposed to

Which of the following cannot be explained by crystal field theory?

The hybridization and magnetic behaviour of cobalt ion in [Co(NH$$_3$$)$$_6$$]$$^{3+}$$ complex, respectively is

Find out the major products from the following reactions.

Given below are two statements:
Statement I: Pure Aniline and other arylamines are usually colourless.
Statement II: Arylamines get coloured on storage due to atmospheric reduction.
In the light of the above statements, choose the most appropriate answer from the options given below:

Choose the correct colour of the product for the following reaction.

Correct statement is:

Match List I with List II
LIST I (Type)                   LIST II (Name)
A. Antifertility drug        I. Norethindrone
B. Tranquilizer               II. Meprobromate
C. Antihistamine            III. Seldane
D. Antibiotic                  IV. Ampicillin
Choose the correct answer from the options given below:

Following figure shows spectrum of an ideal black body at four different temperatures. The number of correct statement/s from the following is _____.

A. $$T_4 > T_3 > T_2 > T_1$$
B. The black body consists of particles performing simple harmonic motion.
C. The peak of the spectrum shifts to shorter wavelength as temperature increases.
D. $$\frac{T_1}{\nu_1} = \frac{T_2}{\nu_2} = \frac{T_3}{\nu_3}$$
E. The given spectrum could be explained using quantisation of energy