NTA JEE Mains 24th Jan 2026 Shift 2

Instructions

For the following questions answer them individually

NTA JEE Mains 24th Jan 2026 Shift 2 - Question 61


One mole of $$Cl_{2}(g)$$ was passed into 2 L of cold 2M KOH solution. After the reaction, the concentrations of $$Cl^{-}$$ , $$ClO^{-}$$ and $$OH^{-}$$ are respectively (assume volume remains constant)

NTA JEE Mains 24th Jan 2026 Shift 2 - Question 62


Given below are two statements:
Statement I: Cross aldol condensation between two different aldehydes will always produce four different products.
Statement II: When semicarbazide reacts with a mixture of benzaldehyde and acetophenone under optimum pH, it fonns a condensation product with acetophenone only.
In the light of the above statements, choose the correct answer from the options given below

NTA JEE Mains 24th Jan 2026 Shift 2 - Question 63


Pair of species among the following having same bond order as well as paramagnetic character will be-

NTA JEE Mains 24th Jan 2026 Shift 2 - Question 64


Given below are two statements:
Statement I: There are several conformers for n-butane. Out of those conformers,

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is the least stable and most stable conformer is

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Statement II: As the dihedral angle increases, torsional strain decreases from (X) to (Y).
In the light of the above statements, choose the correct answer from the options given below

NTA JEE Mains 24th Jan 2026 Shift 2 - Question 65


In the Group analysis of cations, $$Ba^{2+}$$ & $$Ca^{2+}$$ are precipitated respectively as

NTA JEE Mains 24th Jan 2026 Shift 2 - Question 66


The number of possible tripeptides formed involving alanine (ala), glycine (gly) and valine (val), where no amino acid has been used more than once is:

NTA JEE Mains 24th Jan 2026 Shift 2 - Question 67


Two liquids A and B form an ideal solution at temperature TK. At TK, the vapour pressures of pure A and B are 55 and 15 kN $$m^{-2}$$ respectively. What is the mole fraction of A in solution of A and B in equilibrium with a vapour in which the mole fraction of A is 0.8?

NTA JEE Mains 24th Jan 2026 Shift 2 - Question 68


The wavelength of light absorbed for the following complexes are in the order
(I)$$\left[Co{(NH_{3})}_{6}\right]^{3+}$$
(II)$$\left[Co{(H_{2}O)}_{6}\right]^{3+}$$
(III)$$\left[Co{(CN)}_{6}\right]^{3-}$$
(IV)$$\left[Co(NH_{3})_{5}(H_{2}O)\right]^{3+}$$
(V)$$\left[CoF_{6}\right]^{3-}$$

NTA JEE Mains 24th Jan 2026 Shift 2 - Question 69


The unsaturated ether On acidic hydrolysis produces carbonyl compom1ds as shown below:-

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Based On this, predict the solution/reagent that will help to distillguish "P" and "Q" obtained in the following reaction:-

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NTA JEE Mains 24th Jan 2026 Shift 2 - Question 70


The correct order of C, N, 0 and F in terms of second ionisation potential is

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