Online NMDCAT Chemistry Preparation (MCQ-based Lectures + Practice Tests)

MCQ 36
Number of electron in Ne with s = +1/2 are
A. 1
B. 2
C. 5
D. 10

Answer: C

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MCQ 37
How many orbitals having electrons will be present in an atom with atomic number 29?
A. 10
B. 15
C. 20
D. 29

Answer: B

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MCQ 38
Number of electrons in the subshell can be determined by using formula
A. 2(2l+ 1)
B. 2n2
C. n2
D. 21 + 1

Answer: A

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MCQ 39
The electrons in helium can be distinguished by
A. Principal quantum number
B. Azimuthal quantum number
C. Magnetic quantum number
D. Spin quantum number

Answer: D

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MCQ 40
2p and 3p can have same
A. Energy
B. Size
C. Number of electrons
D. Quantum number

Answer: C

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This Post Has 6 Comments

    1. Hifsa Pervez October 1, 2022 Reply

      Shapes of orbitals were explained by magnetic or azimuthal quantum number? Answer below the question is given magnetic quantum number but in the explanation video of this question answer is given azimuthal quantum number.

      1. Umair Ali khan October 5, 2022 Reply

        Azimuthal. The discussion has correct answers. Please mention the question number, therefore, it is corrected.

  2. Haseeb UR Rehman July 26, 2022 Reply

    In ethanol and methanol, which has greater hydrogen bonding?

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