Which of the following molecule(s) show/s paramagnetic behavior?
Paramagnetic Molecules | JEE Main PYQ | Chemical Bonding Which of the following molecule(s) show/s paramagnetic behavior? A. O2 B. […]
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Statement I: Wet cotton clothes made of cellulose-based carbohydrate take comparatively longer time to get dried than wet nylon polymer-based clothes. Statement II: Intermolecular hydrogen bonding with water molecule is more in nylon-based clothes than in the case of cotton clothes.
Drying of Cotton vs Nylon Clothes | JEE Main PYQ | Chemical Bonding Given below are two statements: Statement I:
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The number of given orbitals which have electron density along the axis is ______.
Electron Density Along Axis | JEE Main PYQ | Structure of Atom Q. The number of given orbitals which have
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The radius of the 2nd orbit of Li²⁺ is x. The expected radius of the 3rd orbit of Be³⁺ is:
Radius of Orbits in Hydrogen-like Ions | JEE Main PYQ | Structure of Atom Q. The radius of the 2nd
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The number of s-electrons present in an ion with 55 protons in its unipositive state is:
Number of s-Electrons in Cs⁺ Ion | JEE Main PYQ | Structure of Atom Q. The number of s-electrons present
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The magnetic moment of a transition metal compound has been calculated to be 3.87 B.M. The metal ion is
Magnetic Moment of Transition Metal | JEE Main PYQ | Structure of Atom Q. The magnetic moment of a transition
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If wavelength of the first line of the Paschen series of hydrogen atom is 720 nm, then the wavelength of the second line of this series is ______ nm. (Nearest integer)
Second Line of Paschen Series | JEE Main PYQ | Structure of Atom Q. If wavelength of the first line
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The total number of isoelectronic species from the given set is ________. O²⁻, F⁻, Al, Mg²⁺, Na⁺, O⁺, Mg, Al³⁺, F
Isoelectronic Species Count | JEE Main PYQ 2023 | Structure of Atom Q. The total number of isoelectronic species from
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The orbital angular momentum of an electron in 3s orbital is �. The value of x is ________ (nearest integer).
Orbital Angular Momentum in 3s Orbital | JEE Main PYQ | Structure of Atom Q. The orbital angular momentum of
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The energy of an electron in the first Bohr orbit of hydrogen atom is −2.18 × 10⁻¹⁸ J. Its energy in the third Bohr orbit is ________.
Energy of Electron in Bohr Orbits | JEE Main PYQ | Structure of Atom Q. The energy of an electron