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Analytical Chemistry & Instrumentation (CHE301)

Multiple Choice Questions (MCQs)

Objective Questions

  1. Transition metals are coloured because of d-d transitions while organic molecules are coloured because of ________.

    1. Conjugation
    2. pi---d transitions
    3. sigma to sigma transition
    4. sigma to pi transition
  2. ________ of the sinusoidal wave is defined as the length of the electrical vector at the maximum in the wave.

    1. wavelength
    2. Amplitude
    3. frequency
    4. intensity
  3. n to s* Transition occurs in O, N, S and ________?

    1. halogen compounds
    2. alkynes
    3. carbonyls
    4. azo compound
  4. which of the following is example of cation exchange Sorbents?

    1. Benzenesulfonic acid
    2. Carboxylic acid
    3. Carboxylic acid
    4. Both A and B
  5. C6H13CH=CH2 is example of ________?

    1. alkaline
    2. alkyne
    3. alkene
    4. alkane
  6. Lymen series lies in ________ range.

    1. Visible
    2. Ultra Violet
    3. IR region
    4. None of the given
  7. what is Epsilon in Beer Lambert Law?

    1. Transmittance
    2. Molar absorptivity
    3. Path length
    4. Analyte concentration
  8. Chromophores color-bearing functional group exhibits a characteristic absorption spectrum in the ________?

    1. UV / Vis region
    2. IR region
    3. Radio wave region
    4. micro wave region
  9. ________ Transition occurs in alkenes, carbonyl, azo compounds and alkynes.

    1. pi to pi*
    2. n to pi*
    3. n to s*
    4. None of the given
  10. Amplitude (A) of the sinusoidal wave is defined as the length of the ________ vector at the maximum in the wave.

    1. Electrical
    2. magnetic
    3. mechanical
    4. None of the given