NEET Chemistry Structure Of Atom Class 11 Questions
36 questions
Which of the following quantum numbers are correct for the outermost electron of sodium atom?
How many nodal planes are there in the atomic orbitals for the principal quantum number n = 3?
A certain orbital has no angular nodes and two radial nodes. The orbital is
Two electrons present in M shell will differ in
For the electrons of oxygen atom, which of the following statements is correct?
How many nodal planes are there in the atomic orbitals for the principal quantum number n = 3?
The electronic states X and Y of an atom are depicted below: X : 1s²2s²2p⁶3s¹ Y : 1s²2s²2p⁶3s²3p⁶4s¹ Which of the following statements is not correct?
Which of the following sets of quantum numbers represents the highest energy of an atom?
Identify the incorrect statement. The findings from the Bohr model for H⁻atom are
The number of radial nodes and angular nodes for d-orbital can be represented as
Which of the following sets of quantum numbers represents the highest energy of an atom?
Number of angular nodes for 4d orbital is ............ .
The maximum number of electrons in a subshell is given by the expression
The radius of hydrogen atom in ground state is 0.53 Å. What will be the radius of Li²⁺ in the ground state?
Which of the following statements is not correct?
Match List I with List II:
The ratio of the wavelengths of the light absorbed by a Hydrogen atom when it undergoes n = 2 → n = 3 and n = 4 → n = 6 transitions, respectively, is
Energy and radius of first Bohr orbit of He⁺ and Li²⁺ are [Given Rₕ = 2.18 × 10⁻¹⁸ J, a₀ = 52.9 pm]
Dalton’s Atomic theory could not explain which of the following?
Match List I with List II.
The energy of an electron in the ground state (n = 1) for He⁺ ion is −x J, then that for an electron in n = 2 state for Be³⁺ ion in J is:
The relation between nₘ, (nₘ = the number of permissible values of magnetic quantum number (m)) for a given value of azimuthal quantum number (l), is
Identify the INCORRECT statement from the following.
If radius of second Bohr orbit of the He⁺ ion is 105.8 pm, what is the radius of third Bohr orbit of Li²⁺ ion?
A particular station of All India Radio, New Delhi, broadcasts on a frequency of 1,368 kHz (kilohertz). The wavelength of the electromagnetic radiation emitted by the transmitter is: [speed of light, c = 3.0 × 10⁸ ms⁻¹]
The number of protons, neutrons and electrons in ¹⁷⁵₇₁Lu, respectively, are:
Which of the following series of transitions in the spectrum of hydrogen atom falls in visible region?
4d, 5p, 5f and 6p orbitals are arranged in the order of decreasing energy. The CORRECT option is
Which one is a WRONG statement? (A) Total orbital angular momentum of electron in 's' orbital is equal to zero. (B) An orbital is designated by three quantum numbers while an electron in an atom is designated by four quantum numbers. (C) The electronic configuration of N atom is 1s² 2s² 2p¹ₓ 2p¹ᵧ 2p¹_z. (D) The value of m for dₓ₂₋y₂ is zero.
Consider the following species: CN⁻, CN⁺, NO, CN Which one of these will have the highest bond order?
Which one is the WRONG statement?
Two electrons occupying the same orbital are distinguished by
The angular momentum of electron in ‘d’ orbital is equal to ______.
Calculate the energy in joule corresponding to light of wavelength 45 nₘ. (Planck’s constant, h = 6.63 × 10⁻³⁴ J s, speed of light, c = 3 × 10⁸ m s⁻¹)
What is the maximum number of orbitals that can be identified with the following quantum numbers? n = 3, l = 1, mₗ = 0
According to law of photochemical equivalence, the energy absorbed (in ergs / mole) is given as (h = 6.62 x 10⁻²⁷ ergs, c = 3 x 10¹⁰ cm s⁻¹, Nₐ = 6.02 x 10²³ mol⁻¹):