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Which of the following is discrete in Bohr’s theory ?
Answer: B. Angular momentum The following angular momentum is discrete in Bohr's theory.
Answer: B. Angular momentum
See lessThe following angular momentum is discrete in Bohr’s theory.
Which of the following consists of particles of matter ?
Answer: Both B. Alpha rays and C. Beta rays The following consists of particles of matter is alpha and beta rays.
Answer: Both B. Alpha rays and C. Beta rays
See lessThe following consists of particles of matter is alpha and beta rays.
Two electrons occupying the same orbital are distinguished by
Answer: C. Spin quantum number Two electrons occupying the same orbital are distinguished by spin quantum number.
Answer: C. Spin quantum number
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Total number of atomic orbitals in fourth energy level of an atom is
Answer: D. 16 Total number of atomic orbitals in fourth energy level of an atom is 16.
Answer: D. 16
See lessTotal number of atomic orbitals in fourth energy level of an atom is 16.
Failure of Heisenberg’s principle leads to:
Answer: A. Schrodinger's probability theory Failure of Heisenberg's principle leads to schrodinger's probability theory.
Answer: A. Schrodinger’s probability theory
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The number of radial nodes of 3s and 2p orbital are respectively
Answer: A. 2,0 The number of radial nodes of 3s and 2p orbital are respectively 2,0.
Answer: A. 2,0
See lessThe number of radial nodes of 3s and 2p orbital are respectively 2,0.
The quantum number ‘m’ of a free gaseous atom is associated with:
Answer: C. The effective volume of the orbital The quantum number 'm' of a free gaseous atom is associated with the effective volume of the orbital.
Answer: C. The effective volume of the orbital
See lessThe quantum number ‘m’ of a free gaseous atom is associated with the effective volume of the orbital.
To a mixture of acetic acid and sodium acetate, a further amount of sodium acetate is added. The pH of the mixture
Answer: B. Increases To a mixture of acetic acid and sodium acetate, a further amount of sodium acetate is added. The pH of the mixture increases.
Answer: B. Increases
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The existence of isotopes is due to the difference in the number of:
Answer: C. Neutrons in the nucleus The existence of isotopes is due to the difference in the number of neutrons in the nucleus.
Answer: C. Neutrons in the nucleus
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Which of the following properties of an element is not variable?
Answer: B. Atomic weight The following atomic weight properties of an element is not variable.
Answer: B. Atomic weight
See lessThe following atomic weight properties of an element is not variable.