NTA JEE Main 2025 April 3rd Shift 2

40 mL of a mixture of $$CH_3COOH$$ and HCl (aqueous solution) is titrated against 0.1 M NaOH conductometrically. Which of the following statement is correct?

10 mL of 2 M NaOH solution is added to 20 mL of 1 M HCl solution kept in a beaker. Now, 10 mL of this mixture is poured into a volumetric flask of 100 mL containing 2 moles of HCl and made the volume upto the mark with distilled water. The solution in this flask is:

Fat soluble vitamins are:
A. Vitamin $$B_1$$
B. Vitamin C
C. Vitamin E
D. Vitamin $$B_{12}$$
E. Vitamin K
Choose the correct answer from the options given below:

Match the LIST-I with LIST-II.

Choose the correct answer from the options given below :

For electron in '2s' and '2p' orbitals, the orbital angular momentum values, respectively are:

Compounds that should not be used as primary standards in titrimetric analysis are:
A. $$Na_2Cr_2O_7$$
B. Oxalic acid
C. NaOH
D. $$FeSO_4 \cdot 6H_2O$$
E. Sodium tetraborate
Choose the most appropriate answer from the options given below:

The major product (P) in the following reaction is:

In the following series of reactions identify the major products A & B respectively.
Bromobenzene $$\xrightarrow{SO_3, H_2SO_4}$$ A (Major product) $$\xrightarrow{Br_2, Fe}$$ B (Major product)

The standard cell potential ($$E^\ominus_{\text{cell}}$$) of a fuel cell based on the oxidation of methanol in air that has been used to power television relay station is measured as 1.21 V. The standard half cell reduction potential for $$O_2$$ ($$E^\circ_{O_2/H_2O}$$) is 1.229 V. Choose the correct statement:

Identify the diamagnetic octahedral complex ions from below:
A. $$[Mn(CN)_6]^{3-}$$
B. $$[Co(NH_3)_6]^{3+}$$
C. $$[Fe(CN)_6]^{4-}$$
D. $$[Co(H_2O)_3F_3]$$
Choose the correct answer from the options given below: