Question

What is the primary measurement instrument that is used when performing titrations ?
a.) Graduated cylinder
b.) Burette
c.) Volumetric pipet
d.) Syringe

Answer 1

The primary means the basic instrument which is must for titration. The graduated cylinder may or may not be required. Similar is the case with volumetric pipette. The burette helps in dropwise flow of liquids which is the primary requirement of the experiment.

Complete answer:
When we hear the word titrations, suddenly we imagine some solution coming down in a flask and then change in colour. This is the experiment that we all love doing in the lab.
So, the word primary means the basic instrument. The instrument without which the titration could not be performed.
Let us see the above options given to us and analyse by comparing which is the correct answer.
The first option we have is the Graduated cylinder.
The graduated cylinder is one marked with various mL units. It is used to take a specific volume of a solution. The graduated cylinder is not required that much that it should be given primary importance. Its work can be done by many other apparatus also.
The second instrument is Burette. The burette is a long tube that has markings all over which designate the volume. It also has a nozzle at one end through which solution flows down. It is used to flow the solution drop by drop. This is one of the primary apparatus because it is required for drop by drop liquid flow. So, this can be the correct option.
The third option is Volumetric pipet. The volumetric pipette is used to have some specific amount of solution. It is not the primary instrument.
The next instrument is Syringe. Syringe is not the primary instrument that is required.

Thus, the correct answer is option b.).

Note:
Titrations are the quantitative methods to analyse the solution. The titration is used to detect equivalence points. It is the point at which chemically equivalent amounts of the reactants are mixed.