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Chemistry Test ...

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  • Question 1
    4 / -1

    Identify the incorrect statement from the following.

  • Question 2
    4 / -1

    Choose the correct answer from the options given below:

  • Question 3
    4 / -1

    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]

  • Question 4
    4 / -1

    Which of the following series of transitions in the spectrum of hydrogen atom falls in visible region?

  • Question 5
    4 / -1

    In hydrogen atom, the de Broglie wavelength of an electron in the second Bohr orbit is

    [Given that Bohr radius, a0 = 52.9pm]

  • Question 6
    4 / -1

    Which one is the wrong statement?

  • Question 7
    4 / -1

    Which of the following pairs of d -orbitals will have electron density along the axes?

  • Question 8
    4 / -1

    Which is the correct order of increasing energy of the listed orbitals in the atom of titanium

    (At. no. Z = 22)

  • Question 9
    4 / -1

    The number of d-electrons in Fe2+(Z = 26) is not equal to the number of electrons in which one of the following?

  • Question 10
    4 / -1

    Calculate the energy in Joule corresponding to light of wave length 45nm (Planck's constant h = 6.63 × 10−34J s, speed of light, c = 3 × 108ms−1)

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