Chromatography Mcq Part-3 Analytical Chemistry M.Sc. FY Semester first

 M. Sc. First year Postgraduate degree course

First Semester

CHE - 101

ANALYTICAL CHEMISTRY 

MCQ on Chromatography 

1. Which of the following is not a feature of carrier gas used in gas chromatography?
a) It must be chemically inert
b) It should be suitable for the detector employed
c) It should not be completely pure
d) It should be cheap
Answer:(c) 

2. In which of the following methods are liquid samples injected into the column in gas chromatography?
a) Gas tight syringe
b) Micro-syringe
c) Rotary sample valve
d) Solid injection syringes
Answer:(b) 

3. Which of the following is the commonly used support material for the packed column in gas chromatography?
a) Glass
b) Metal
c) Diatomaceous earth:
d) Stainless steel
Answer:(c) 

4. Which of the following is the disadvantage of coiled or helical shaped packed chromatographic column?
a) It cannot be packed uniformly
b) It cannot be repacked easily:
c) It is not compact
d) It is not easy to heat it evenly
Answer:(b) 

5. Which detector is not used in GC?
a)  FID
b) TCD
c)  A &B
d) TMD
Answer:(d) 

6.The mechanism of separation in TLC is
a)  Adsoption
b) Partition
c)  Can either adsorption or partition
d) Neither adsorption nor partition
Answer:(c) 

7. Iodine chamber is used for
a)  Detection in TLC
b) Detection in paper chromatography
c)  Detection in Gas chromatography
d) All of the above
Answer:(a) 

8. Reproducibility is greater in which Chromatography
a)  TLC
b) Paper chromatography
c)  In both a and b
d) None of these
Answer:(a) 

9.In which of the following Chromatography Stationary phase and mobile phase are both liquid
a)  GSC
b) GLC
c)  HPLC
d) TLC
Answer:(c) 

10. In which of the following Chromatography Stationary phase is solid and mobile phase is liquid
a)  GSC
b) GLC
c)  HPLC
d) TLC
Answer:(d) 

11.  In which of the following Chromatography Stationary phase is solid and mobile phase is gas
a)  GSC
b) GLC
c)  Both a and b
d) TLC
Answer:(c) 

12. Which of the following is adsorption Chromatography?
a)  Thin layer chromatography
b) HPLC
c)  GLC
d) None of these
Answer:(a) 

13. Stationary phase in Paper chromatography is….
a)  Whatman filter paper no.1
b) Cellulose paper with short fibre
c)  Both a and b
d) Iodine paper
Answer:(c) 

14. For reverse phase chromatography which paper is useful?
a)  Whatman filter paper no.1
b) Cellulose paper with short fibre
c)  Both a and b
d) Acetylated paper
Answer:(d) 

15. Silica or alumina used as solid phases in….
a)  TLC
b) Paper chromatography
c)  Both a and b
d) None of these
Answer:(a) 

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