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Analytical Chemistry & Instrumentation (CHE301)

Multiple Choice Questions (MCQs)

Objective Questions

  1. 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
  2. n to s* Transition occurs in O, N, S and ________?

    1. halogen compounds
    2. alkynes
    3. carbonyls
    4. azo compound
  3. 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
  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. 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
  7. what is Epsilon in Beer Lambert Law?

    1. Transmittance
    2. Molar absorptivity
    3. Path length
    4. Analyte concentration
  8. ________ 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
  9. Lymen series lies in ________ range.

    1. Visible
    2. Ultra Violet
    3. IR region
    4. None of the given
  10. ________ 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