NTA JEE Main 2025 April 02 Shift 2

Match List-I with List-II.

Choose the correct answer from the options given below :

'x' g of NaCl is added to water in a beaker with a lid. The temperature of the system is raised from 1°C to 25°C. Which of the following plots, is best suited for the change in the molarity (M) of the solution with respect to temperature ?
[Consider the solubility of NaCl remains unchanged over the temperature range]

Arrange the following in order of magnitude of work done by the system / on the system at constant temperature :
(a) $$|w_{\text{reversible}}|$$ for expansion in infinite stage.
(b) $$|w_{\text{irreversible}}|$$ for expansion in single stage.
(c) $$|w_{\text{reversible}}|$$ for compression in infinite stage.
(d) $$|w_{\text{irreversible}}|$$ for compression in single stage.

Choose the correct answer from the options given below :

Reactant A converts to product D through the given mechanism (with the net evolution of heat) :
$$A \to B$$   slow ; $$\Delta H = +ve$$
$$B \to C$$   fast ; $$\Delta H = -ve$$
$$C \to D$$   fast ; $$\Delta H = -ve$$

Which of the following represents the above reaction mechanism ?

The nature of oxide $$(TeO_2)$$ and hydride $$(TeH_2)$$ formed by Te, respectively are :

Match List-I with List-II.

Choose the correct answer from the options given below :

Consider the following chemical equilibrium of the gas phase reaction at a constant temperature :
$$A(g) \rightleftharpoons B(g) + C(g)$$

If p being the total pressure, $$K_p$$ is the pressure equilibrium constant and $$\alpha$$ is the degree of dissociation, then which of the following is true at equilibrium ?

Which of the following graphs correctly represents the variation of thermodynamic properties of Haber's process ?

A tetrapeptide "x" on complete hydrolysis produced glycine (Gly), alanine (Ala), valine (Val), leucine (Leu) in equimolar proportion each. The number of tetrapeptides (sequences) possible involving each of these amino acids is

In Dumas' method for estimation of nitrogen, 0.5 gram of an organic compound gave 60 mL of nitrogen collected at 300 K temperature and 715 mm Hg pressure. The percentage composition of nitrogen in the compound (Aqueous tension at 300 K = 15 mm Hg) is