Select the correct option(s).

Engineering

Chemistry

Mole and Its Calculation

Quantum Numbers

Question

Select the correct option(s).

Electrons present in 3s orbital can have only following series of quantum number (n, ℓ, m, s) →3, 0, 0, 1/2.

Moles of any gas in 10 L container at 8.21 atm & 300 K is equal to $\frac{10}{3} .$

If in 1 L vessel N₂ and CO₂ are at same pressure and temperature then they have equal number of atoms.

Number of neutrons present in 1 mol of NH₄⁺are 7.

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(A) Pressure $α$ mole ;        mole = N_A molecules
(B) 3s orbital    n   ℓ   m   s
3   0   0   1/2
3   0   0   –1/2
(C) Number of moles = $\frac{PV}{RT} = \frac{8 .21 \times 10}{0 .0821 \times 300} = \frac{10}{3}$
(D) Number of neutrons present in 1 mol. NH₄⁺ = [7 + 0] × N_A = 7 N_A