NMDCAT Chapter 2 Practice Test

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Dear Students 25 minutes are given to solve 25 MCQs.

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Created by Umair Ali khan
NMDCAT Chemistry MCQs Practice test

NMDCAT Chemistry Chapter 2 Practice Test

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1) Which of the following is true relationship between principal and azimuthal quantum
number?

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2) The electron in K-Shell can be distinguish by

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3) The atomic number of an element having maximum number of unpaired electrons in p-subshell, is

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4) The deflection of positive rays in the magnetic field will be

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5) λ of indigo colour is 400nm approximately. The wave number of the above-mentioned colour will be.

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6) Which of following violates Hund's rule

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7) The number of waves per unit length is called

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8) The correct set of quantum numbers for the valance electron of Na is

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9) A hypothetical element carrying a -2 charge contains 27 electrons and 50 mass number. Its atomic number will be

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10) Mass of one mole of proton is approximately equal to

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11) The quantum of energy is called photon in the case of

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12) When an atom goes in excited state it violates

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13) Positive rays are produced

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14) A di-valent cation having 10 electrons and 24 nucleon number. The number of neutrons are

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15) The number of orbitals accommodated in the nth energy level is given by

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16) When 6d orbital is complete, the entering electron goes into

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17) Atoms of two different elements having same nucleon number but different proton number are called

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18) Number of subshells in a shell are determined by using

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19) An element X has the configuration 1s², 2s², 2p5.. In its chemical reactions it is most likely to

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20) The ratio between energy and frequency of photon is

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21) Minimum number of electron in N-shell are

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22) Charge on 1 mole of proton is

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23) The e/m of which pair will be same

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24) The nature of canal rays depends upon

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25) Number of subshells and orbitals in N-shell are _____and ______ respectively.

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This Post Has 6 Comments

    1. Hifsa Pervez

      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

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

  1. Haseeb UR Rehman

    In ethanol and methanol, which has greater hydrogen bonding?

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