Which of the following options does not represent ground state electronic configuration of an atom?
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe pair of ions having the same electronic configuration is -
1. Cr3+, Fe3+
2. Fe3+, Mn2+
3. Fe3+, Co3+
4. Sc3+, Cr3+
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the following species with their corresponding ground state electronic configuration.
Atom/Ion | Electronic configuration | ||
A. | Cu | 1. | |
B. | Cu2+ | 2. | |
C. | Zn2+ | 3. | |
D. | Cr3+ | 4. | |
5. |
A | B | C | D | |
1. | 4 | 2 | 5 | 1 |
2. | 3 | 4 | 1 | 5 |
3. | 3 | 2 | 1 | 4 |
4. | 4 | 2 | 1 | 3 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the ensuing rules with the corresponding statements:
Rules | Statements | ||
A. | Hund’s Rule | 1. | No two electrons in an atom can have the same set of four quantum numbers. |
B. | Aufbau Principle | 2. | Half-filled and completely filled orbitals have extra stability. |
C. | Pauli's Exclusion Principle | 3. | Pairing of electrons in the orbitals belonging to the same subshell does not take place until each orbital is singly occupied. |
D. | Heisenberg’s Uncertainty Principle | 4. | It is impossible to determine the exact position and exact momentum of a subatomic particle simultaneously. |
5. | In the ground state of atoms, orbitals are filled in the order of their increasing energies. |
A | B | C | D | |
1. | 3 | 5 | 1 | 2 |
2. | 1 | 2 | 3 | 4 |
3. | 3 | 5 | 1 | 4 |
4. | 4 | 5 | 3 | 2 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch species are given in Column I with the electronic configuration given in Column II :
Column I |
Column II |
||
A. |
Cr |
1. | |
B. |
Fe2+ |
2. | |
C. |
Ni2+ |
3. | |
D. |
Cu |
4. | |
5. |
Codes:
Options: | A | B | C | D |
1. | 4 | 3 | 1 | 2 |
2. | 1 | 2 | 3 | 5 |
3. | 5 | 4 | 3 | 2 |
4. | 4 | 5 | 3 | 2 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology