NTA JEE Mains 27th Jan 2024 Shift 2

Volume of 3M NaOH (formula weight 40 g mol$$^{-1}$$) which can be prepared from 84 g of NaOH is _____ $$\times 10^{-1}$$ dm$$^3$$.

9.3 g of aniline is subjected to reaction with excess of acetic anhydride to prepare acetanilide. The mass of acetanilide produced if the reaction is 100% completed is _____ $$\times 10^{-1}$$ g.
(Given molar mass in g mol$$^{-1}$$: N = 14, O = 16, C = 12, H = 1)

1 mole of PbS is oxidised by X moles of $$O_3$$ to get Y moles of $$O_2$$. X + Y =

Total number of ions from the following with noble gas configuration is
$$Sr^{2+}$$ (Z = 38), $$Cs^+$$ (Z = 55), $$La^{2+}$$ (Z = 57), $$Pb^{2+}$$ (Z = 82), $$Yb^{2+}$$ (Z = 70) and $$Fe^{2+}$$ (Z = 26)

The number of non-polar molecules from the following is
$$HF, H_2O, SO_2, H_2, CO_2, CH_4, NH_3, HCl, CHCl_3, BF_3$$

For a certain thermochemical reaction $$M \rightarrow N$$ at $$T = 400$$ K, $$\Delta H^o = 77.2$$ kJ mol$$^{-1}$$, $$\Delta S^o = 122$$ J K$$^{-1}$$, log equilibrium constant ($$\log K$$) is $$-$$ _____ $$\times 10^{-1}$$.

Total number of compounds with Chiral carbon atoms from following is

 $$CH_3-CH_2-CHNO_2-COOH$$

$$CH_3-CH(I)-CH_2-NO_2$$

$$CH_3-CH_2-CHBr-CH_2-CH_3$$

$$CH_3-CH_2-CH(OH)-CH_2OH$$

The hydrogen electrode is dipped in a solution of pH = 3 at 25°C. The potential of the electrode will be $$-$$ _____ $$\times 10^{-2}$$ V.
$$\frac{2.303RT}{F} = 0.059$$ V. Round off the answer to the nearest integer.

Time required for completion of 99.9% of first order reaction is _____ times of half life ($$t_{1/2}$$) of the reaction

The Spin only magnetic moment value of square planar complex $$[Pt(NH_3)_2Cl(NH_2CH_3)]Cl$$ is _____ B.M.
(Nearest integer)
(Given atomic number for Pt = 78)