NTA JEE Main 11th April 2023 Shift 2

The volume of hydrogen liberated at STP by treating 2.4 g of magnesium with excess of hydrochloric acid is _______ $$\times 10^{-2}$$ L. Given Molar volume of gas is 22.4 L at STP. Molar mass of magnesium is 24 g mol$$^{-1}$$

The number of correct statements from the following is _______
A. For 1s orbital, the probability density is maximum at the nucleus
B. For 2s orbital, the probability density first increases to maximum and then decreases sharply to zero.
C. Boundary surface diagrams of the orbitals encloses a region of 100% probability of finding the electron.
D. p and d-orbitals have 1 and 2 angular nodes respectively
E. probability density of p-orbital is zero at the nucleus

The maximum number of lone pairs of electron on the central atom from the following species is _______ ClO$$_3^-$$, XeF$$_4$$, SF$$_4$$ and I$$_3^-$$

The total number of intensive properties from the following is _______
Volume, Molar heat capacity, molarity, $$E^\circ_{cell}$$, Gibbs free energy change, Molar mass, Mole

4.5 moles each of hydrogen and iodine is heated in a sealed ten litre vessel. At equilibrium, 3 moles of HI were found. The equilibrium constant for $$H_2(g) + I_2(g) \rightleftharpoons 2HI_{(g)}$$ is _______

Mg(NO$$_3$$)$$_2$$.XH$$_2$$O and Ba(NO$$_3$$)$$_2$$.YH$$_2$$O, represent formula of the crystalline forms of nitrate salts. Sum of X and Y is _______

The number of possible isomeric products formed when 3-chloro-1-butene reacts with HCl through carbocation formation is _______

The number of correct statements from the following is _______
A. E$$_{cell}$$ is an intensive parameter
B. A negative E$$^\circ$$ means that the redox couple is a stronger reducing agent than the H$$^+$$/H$$_2$$ couple.
C. The amount of electricity required for oxidation or reduction depends on the stoichiometry of the electrode reaction.
D. The amount of chemical reaction which occurs at any electrode during electrolysis by a current is proportional to the quantity of electricity passed through the electrolyte.

The number of correct statements about modern adsorption theory of heterogeneous catalysis from the following is _______
A. The catalyst is diffused over the surface of reactants.
B. Reactants are adsorbed on the surface of the catalyst.
C. Occurrence of chemical reaction on the catalyst's surface through formation of an intermediate.
D. It is a combination of intermediate compound formation theory and the old adsorption theory.
E. It explains the action of the catalyst as well as those of catalytic promoters and poisons.

Number of compounds from the following which will not produce orange red precipitate with Benedict solution is _______
Glucose, maltose, sucrose, ribose, 2-deoxyribose, amylose, lactose