Podcast
Questions and Answers
Which species among the given options shows the maximum ionization energy?
Which species among the given options shows the maximum ionization energy?
- 3s2 3p3
- 2s2 2p3
- 3s2 3p5 (correct)
- 2s2 2p5
If the successive ionization potentials (I.P.) of an element are given as 10, 20, 200, 300, 500, which electronic configuration corresponds to this element?
If the successive ionization potentials (I.P.) of an element are given as 10, 20, 200, 300, 500, which electronic configuration corresponds to this element?
- 2s2 2p6 3s2
- 2s1
- 2s2 2p6 3s1 (correct)
- 2s2 2p2
What is the correct order of second ionization energies (IP2) among the following elements: B, Be, O, N, C, F?
What is the correct order of second ionization energies (IP2) among the following elements: B, Be, O, N, C, F?
- Be < C < B < N < F < O
- Be < B < N < O < F < C (correct)
- Be < B < C < F < O < N
- B < Be < O < N < C < F
Arrange the elements Na, Mg, Al, and Si in increasing order of their first ionization energies.
Arrange the elements Na, Mg, Al, and Si in increasing order of their first ionization energies.
Which of the following elements has the maximum electron gain enthalpy?
Which of the following elements has the maximum electron gain enthalpy?
In the first Lyman transition of the hydrogen spectrum, ΔE = 10.2 eV. The same energy change is observed in the second Balmer transition of which ion?
In the first Lyman transition of the hydrogen spectrum, ΔE = 10.2 eV. The same energy change is observed in the second Balmer transition of which ion?
How many unpaired electrons are present in the Ni2+ cation with an atomic number of 28?
How many unpaired electrons are present in the Ni2+ cation with an atomic number of 28?
What is the total number of electrons, protons, and neutrons in 1.7g of NH3?
What is the total number of electrons, protons, and neutrons in 1.7g of NH3?
In the ratio of specific charge of H+1 & He+2, what is the correct ratio?
In the ratio of specific charge of H+1 & He+2, what is the correct ratio?
How many d-electrons are retained in the Fe+2 ion?
How many d-electrons are retained in the Fe+2 ion?
What is the ratio of ionization energy between Li2+ & He+ ions?
What is the ratio of ionization energy between Li2+ & He+ ions?
Which molecule will exhibit p-p overlapping?
Which molecule will exhibit p-p overlapping?
What is the mass of carbon present in 0.5 mole of K4[Fe(CN)6]?
What is the mass of carbon present in 0.5 mole of K4[Fe(CN)6]?
Calculate the mass of Na2SO4.7H2O that contains exactly 6 × 10^23 atoms of oxygen.
Calculate the mass of Na2SO4.7H2O that contains exactly 6 × 10^23 atoms of oxygen.
What would be the wavelength of a photon emitted during an electron transition from n = 4 to n = 2 in the hydrogen spectrum?
What would be the wavelength of a photon emitted during an electron transition from n = 4 to n = 2 in the hydrogen spectrum?
In the absence of Pauli exclusion principle, what could be the electronic configuration of Lithium in its ground state?
In the absence of Pauli exclusion principle, what could be the electronic configuration of Lithium in its ground state?
When an electron jumps from the L to K shell, what happens?
When an electron jumps from the L to K shell, what happens?
What is the maximum number of molecules present in 0.5g of H2 gas?
What is the maximum number of molecules present in 0.5g of H2 gas?
