NTA JEE Main 12th April 2023 Shift 1

Match List I with List II

For lead storage battery pick the correct statements
A. During charging of battery, PbSO$$_4$$ on anode is converted into PbO$$_2$$
B. During charging of battery, PbSO$$_4$$ on cathode is converted into PbO$$_2$$
C. Lead storage battery consists of grid of lead packed with PbO$$_2$$ as anode
D. Lead storage battery has ~38% solution of sulphuric acid as an electrolyte
Choose the correct answer from the options given below:

Four gases, A, B, C and D have critical temperatures 5.3, 33.2, 126.0 and 154.3K respectively. For their adsorption on a fixed amount of charcoal, the correct order is :

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: In the Ellingham diagram, a sharp change in slope of the line is observed from Mg $$\to$$ MgO at ~1120°C
Reason R: There is a large change of entropy associated with the change of state
In the light of the above statements, choose the correct answer from the options given below

The incorrect statement regarding the reaction given below is

Match List I with List II

In the following reaction

'A' (Major Product) is

The reaction of a diketone (MeCO-CH$$_2$$-CO-CH$$_3$$) with OEt$$^-$$/$$\Delta$$ gives 'A' (Major Product).

A in the above reaction is :

The major product 'P' formed in the following sequence of reactions is

Match List I with List II