List of top Pharmaceutical Analysis Questions on Acid-base titrations asked in Graduate Pharmacy Aptitude Test

Among the following which is known as “SPIRIT OF SALT”:

Phenol reacts with chloroform in presence of aqueous sodium hydroxide to give chief product:

The titration of a strong acid with a strong base is represented by plot _____ .

Match List I with List II

	List I-Buffers		List II-pH Value
A	HCl and KCl	I	8 to 10
B	HCl and Potassium Hydrogen Phthalate	II	2.2 to 4.0
C	NaOH and Potassium Hydrogen Phthalate	III	1.2 to 2.2
D	H3BO3, NaOH, and KCl	IV	4.2 to 5.8

Choose the correct answer from the options given below:

Conversion of aryldiamnium chloride to arylchloride can be achieved in the presence of:

What quantity of an indicator solution shall be added when quantity is not mentioned in an assay or test?

If the pKa of lidocaine is 7.9 and pH of the infected tissue is 8.9, the fraction of drug in the ionized form will be

Eudragits are

Which of the following titrations will always have an equivalence point at a pH > 7.00

A 25.0 mL sample of a solution of a monoprotic acid is titrated with a 0.115 M NaOH solution the titration curve shows equivalence point at 7.05. which of the following indicators would be best for this titration

The chelate, EDTA4: can described as what type of chelating ligand