Chemistry Practice MCQs Chapter 5 Class 11


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Created on By Ali Durrani

Chemistry Ch 5 Class 11

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If an election jumps from 6th orbit to 2nd orbit then decrease in radius will be?

2 / 20

What are the values of orbital quantum number/0 and magnetic quantum number(m) for subshell?

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Number of transitions possible for an electron in the 6th shell are

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If an electron jumps from fourth to first orbit, which of the following series will it show?

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Bracket series of 14-atom is in which of the following regions of electromagnetic spectrum?

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When alpha particles are bombarded on beryllium

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d subshell has

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Which quantum number decides energy of orbitals?

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Which of the following quantum numbers are for p-subshell?

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In a discharge tube, at room pressure there is

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Which orbitals always possess same energy:

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Spectrum of which series is in the UV region?

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Spectrum of which series is in the visible region?

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) The velocity of electron in outermost shell Is?

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P.E of an electron in the orbit of an atom Is

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Breaking of neutron produces?

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If an electron of hydrogen atom jumps from 5th orbit to 7’h orbit, its atomic radius increases

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If an electron makes a transition from 4th orbit to inner orbits, then the wavelength for which the radius is maximum, lies in which of the following series?

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Diameter of Hydrogen atom is?

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The correct order of orbitals is:

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