Q. The time required for a molecule of the mobile phase to pass through the column is called ___________

View solution

Q. Adjusted retention time is the remaining retention time after subtracting __________ from ___________

View solution

Q. Which of the following is the volume of mobile phase required to make a solute band move from the point of injection through the column to the detector?

View solution

Q. Adjusted retention volume is the remaining retention volume after subtracting ___________ from _____________

View solution

Q. Which of the following is defined as the ratio of moles of solute in stationary phase to the moles of solute in the mobile phase?

View solution

Q. Which of the following is the ratio of the interstitial volume of packing to the volume of its total mass?

View solution

Q. Which of the following is the ratio of the length of column packing to dead time?

View solution

Q. Which of the following is the ratio of a length of column packing to retention time?

View solution

Q. Retention distance is the distance between point of injection and minimum peak in the recorder or computer generated chart.

View solution

Q. Retention volume can be obtained by finding the product of which of the following parameters?

View solution

Q. Retention factor is also known as the capacitance factor.

View solution

Q. What must be the value of the selectivity factor?

View solution

Q. Which of the following is the distance that the solute moves while undergoing one partition?

View solution

Q. Which of the following conditions will cause the efficiency of the column to increase?

View solution

Q. Which of the following is the expression for Eddy diffusion in the column, if ‘γ’ represents obstruction factor, ‘dₚ’ represents particle diameter, ‘Dₘ’ represents Solute diffusion co-efficient and ‘λ’ represents function for packing uniformity?

View solution

Q. Which of the following is the expression for longitudinal diffusion in the column, if ‘γ’ represents obstruction factor, ‘dₘ’ represents particle diameter, ‘Dₘ’ represents Solute diffusion co-efficient and ‘λ’ represents function for packing uniformity?

View solution

Q. In gas-liquid chromatography, when films are used in the interior of the capillary column, then what is the value of Eddy diffusion?

View solution

Q. For an unpacked coated capillary column, the obstruction factor takes which of the following values?

View solution

Q. Base line resolution is achieved when degree of resolution/separation is ______

View solution

Q. Which of the following equations give the expression for plate number, N when ‘tR’ is the adjusted retention time and ‘Wb’ is the width at the base of the peak which is equal to 4 standard deviations.

View solution