SAMPLE PAPER-1
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ANALYSIS
1. The rate of movement of component R in column chromatography is given by,
1. R = αAs/Am + aAs
2. R = Am/Am + αAs
3. R = As/Am + As
4. R = Am/ αAs
2. In isocratic elution technique, the ratio of petroleum ether and benzene should be in
1. 1:2
2. 1:1
3. 2:1
4. 2:2
3. At ground state, the energy of a molecule is the sum of _____________energy
1. Rotational + Vibrational
2. Vibrational + Electronic
3. Electronic + Rotational
4. All the three
4. Flame photometry, fluorimetry are examples for
1. Emission spectroscopy
2. Absorption spectroscopy
3. Molecular spectroscopy
4. None of above
5. The wavelength in colorimetry ranges from
1. 400-800 nm
2. 200-400 nm
3. 800-1200 nm
4. 1200-1500 nm
6. In spectrometers, the wavelength accuracy is given as,
1. ± 0.01 nm
2. ± 10 nm
3. ± 1 nm
4. ± 0.1 nm
7. The E 1cm 1% for paracetamol at 257nm
1. 835
2. 785
3. 715
4. 945
8. Digitoxin is analyzed by using which reagent
1. Methanol
2. Alkaline picric acid
3. Ferric chloride
4. Phenyl hydrazine
9. Hydrogen discharge lamp consist of
1. Hydrogen under pressure
2. Deuterium
3. Xenon
4. Mercury vapour
10. Absorbance and transmittance are
1. Directly proportional
2. Inversely proportional
3. Linearly proportional
4. Not related
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Answers are at the end of the sample paper.
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