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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. 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
  3. Lymen series lies in ________ range.

    1. Visible
    2. Ultra Violet
    3. IR region
    4. None of the given
  4. n to s* Transition occurs in O, N, S and ________?

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

    1. Transmittance
    2. Molar absorptivity
    3. Path length
    4. Analyte concentration
  7. ________ 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
  8. C6H13CH=CH2 is example of ________?

    1. alkaline
    2. alkyne
    3. alkene
    4. alkane
  9. which of the following is example of cation exchange Sorbents?

    1. Benzenesulfonic acid
    2. Carboxylic acid
    3. Carboxylic acid
    4. Both A and B
  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