Question:medium
Which of the following statements are correct about the postulates of quantum mechanical model of an atom?
(i) The energy of electron in atom is quantized.
(ii) The existence of quantized electronic energy level is a result of the particle property of electrons.
(iii) The path of the electron can be determined accurately.
(iv) In a multi electron atom, the electrons are filled in various orbitals in the order of increasing energy.
(v) The probability of finding an electron at a point within an atom is proportional to the square of the orbital wave function.
Which of the following statements are correct about the postulates of quantum mechanical model of an atom?
(i) The energy of electron in atom is quantized.
(ii) The existence of quantized electronic energy level is a result of the particle property of electrons.
(iii) The path of the electron can be determined accurately.
(iv) In a multi electron atom, the electrons are filled in various orbitals in the order of increasing energy.
(v) The probability of finding an electron at a point within an atom is proportional to the square of the orbital wave function.
(ii) The existence of quantized electronic energy level is a result of the particle property of electrons.
(iii) The path of the electron can be determined accurately.
(iv) In a multi electron atom, the electrons are filled in various orbitals in the order of increasing energy.
(v) The probability of finding an electron at a point within an atom is proportional to the square of the orbital wave function.
Show Hint
Quantum model is based on probability, not definite paths.
Updated On: Apr 24, 2026
- (i), (iv), (v)
- (i), (ii), (iv)
- (i), (iii), (v)
- (ii), (iii), (v)
- (i), (ii), (v)
Show Solution
The Correct Option is A
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