JEE Advanced 2022 Paper 1 Online | JEE Advanced Year Wise Previous Years Questions

JEE Advanced 2022 Paper 1 Online

Numerical

-0

If the reaction sequence given below is carried out with 15 moles of acetylene, the amount of the product $\mathbf{D}$ formed (in $\mathrm{g}$ ) is ___________ .

JEE Advanced 2022 Paper 1 Online Chemistry - Hydrocarbons Question 6 English

The yields of $\mathbf{A}, \mathbf{B}, \mathbf{C}$ and $\mathbf{D}$ are given in parentheses.

[Given: Atomic mass of $\mathrm{H}=1, \mathrm{C}=12, \mathrm{O}=16, \mathrm{Cl}=35$ ]

Your input ____

JEE Advanced 2022 Paper 1 Online

MCQ (More than One Correct Answer)

-2

For diatomic molecules, the correct statement(s) about the molecular orbitals formed by the overlap of two $2 p_{z}$ orbitals is(are)

$\sigma$ orbital has a total of two nodal planes.

$\sigma^{*}$ orbital has one node in the $x z$-plane containing the molecular axis.

$\pi$ orbital has one node in the plane which is perpendicular to the molecular axis and goes through the center of the molecule.

$\pi^{*}$ orbital has one node in the $x y$-plane containing the molecular axis.

JEE Advanced 2022 Paper 1 Online

MCQ (More than One Correct Answer)

-2

The correct option(s) related to adsorption processes is(are)

Chemisorption results in a unimolecular layer.

The enthalpy change during physisorption is in the range of 100 to $140 \mathrm{~kJ} \mathrm{~mol}^{-1}$.

Chemisorption is an endothermic process.

Lowering the temperature favors physisorption processes.

JEE Advanced 2022 Paper 1 Online

MCQ (More than One Correct Answer)

-2

The electrochemical extraction of aluminum from bauxite ore involves

the reaction of $\mathrm{Al}_{2} \mathrm{O}_{3}$ with coke $(\mathrm{C})$ at a temperature $>2500^{\circ} \mathrm{C}$.

the neutralization of aluminate solution by passing $\mathrm{CO}_{2}$ gas to precipitate hydrated alumina $\left(\mathrm{Al}_{2} \mathrm{O}_{3} \cdot 3 \mathrm{H}_{2} \mathrm{O}\right)$.

the dissolution of $\mathrm{Al}_{2} \mathrm{O}_{3}$ in hot aqueous $\mathrm{NaOH}$.

the electrolysis of $\mathrm{Al}_{2} \mathrm{O}_{3}$ mixed with $\mathrm{Na}_{3} \mathrm{AlF}_{6}$ to give $\mathrm{Al}$ and $\mathrm{CO}_{2}$.

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