NTA JEE Main 10th April 2023 Shift 2

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: 3.1500 g of hydrated oxalic acid dissolved in water to make 250.0 mL solution will result in 0.1 M oxalic acid solution.
Reason R: Molar mass of hydrated oxalic acid is 126 g mol$$^{-1}$$.
In the light of the above statements, choose the correct answer from the options given below:

Match List-I with List-II

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: The energy required to form Mg$$^{2+}$$ from Mg is much higher than that required to produce Mg$$^+$$
Reason R: Mg$$^{2+}$$ is small ion and carry more charge than Mg$$^+$$
In the light of the above statements, choose the correct answer from the options given below.

The correct order of metallic character is

Gibbs energy vs T plot for the formation of oxides is given below. For the given diagram, the correct statement is-

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: Physical properties of isotopes of hydrogen are different.
Reason R: Mass difference between isotopes of hydrogen is very large.
In the light of the above statements, choose the correct answer from the options given below:

Number of water molecules in washing soda and soda ash respectively are:

The decreasing order of hydride affinity for following carbocations is:
(a)

(b)

(c)

(d)

Choose the correct answer from the options given below:

The correct order for acidity of the following hydroxyl compound is
(A) CH$$_3$$OH
(B) (CH$$_3$$)$$_3$$COH
(C)

(D) 

(E) 

Choose the correct answer from the options given below:

In Carius tube, an organic compound 'X' is treated with sodium peroxide to form a mineral acid 'Y'. The solution of BaCl$$_2$$ is added to 'Y' to form a precipitate 'Z'. 'Z' is used for the quantitative estimation of an extra element. 'X' could be