Chemistry Class-11: Chapter – 2. Structure of Atom – Part-7 (For CBSE, ICSE, IAS, NET, NRA 2022)
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IV. Matching Type
In some of the following questions, one option of left column may be correlated to more than one option in the right column.
Question: 42
Match the following species with their corresponding ground state electronic configuration.
| Atom/Ion | Electronic configuration | ||
| (i) | (a) | ||
| (ii) | (b) | ||
| (iii) | (c) | ||
| (iv) | (d) | ||
| (e) | |||
Answer:
Question = 43
Match the quantum numbers with the information provided by these.
| Quantum number | Information | ||
| (i) | Principal quantum number | (a) | Orientation of the orbital |
| (ii) | Azimuthal quantum number | (b) | Energy and size of orbital |
| (iii) | Magnetic quantum number | (c) | Spin of electron |
| (iv) | Spin quantum number | (d) | Shape of the orbital |
Answer:
Question = 44
| Rules | Statements | ||
| (i) | Hund՚s Rule | (a) | No two electrons in an atom can have the same set of four quantum numbers. |
| (ii) | Aufbau Principle | (b) | Half-filled and completely filled orbitals have extra stability. |
| (iii) | Pauli Exclusion Principle | (c) | Pairing of electrons in the orbitals belonging to the same subshell does not take place until each orbital is singly occupied. |
| (iv) | Heisenberg՚s Uncertainty Principle | (d) | It is impossible to determine the exact position and exact momentum of a subatomic particle simultaneously. |
| (e) | In the ground state of atoms, orbitals are filled in the order of their increasing energies. | ||
Answer:
Question: 45
Match the following
| (i) | X-rays | (a) | |
| (ii) | UV | (b) | |
| (iii) | Long radio waves | (c) | |
| (iv) | Microwave | (d) |
Answer:
Question = 46
Match the following
| (i) | Photon | (a) | Value is 4 for N shell |
| (ii) | Electron | (b) | Probability density |
| (iii) | (c) | Always positive value | |
| (iv) | Principal quantum number n | (d) | Exhibits both momentum and wavelength |
Answer:
Question = 47
Match species given in Column I with the electronic configuration given in Column II.
| Column I | Column II | ||
| (i) | (a) | ||
| (ii) | (b) | ||
| (iii) | (c) | ||
| (iv) | (d) | ||
| (e) | |||