QUANTITATIVE ANALYSIS

The process in which a solution of unknown concentration is reacted with a solution of known concentration is known as ?

• Quantitative Estimation

• Volumetric Analysis

• Titration

• All of these

The standard solution whose concentration is known in the titration process is known as?

• Analyte

• Titrant

The solution whose concentration is to be determined by titrating it against a standard solution is known as ?

• Analyte

• Titrant

The point at which the reaction between the titrant and the analyte becomes complete is known as ?

• End Point

• Completion Point

• Turning Point

• Titration Point

Which of the following concentration term has the unit mol/L?

• Mole Fraction

• Molarity

• Molality

• Strength

The titration method used to determine the strength of an acid or alkali which is based on the neutralisation reaction is known as?

• Acid - Base Titration

• Redox Titration

• Precipitation Titration

• Complexometric Titration

The colour change of an indicator used in acid-base titration depends on which of the following property?

• change in pH of the medium.

• change in oxidation state of the element at the end point of the titration.

• adsorption of indicator on the surface of the product formed at end point of titration.

• coloured complex formation of indicator with the final end product on completion of the titration.

 $\frac{M1V1}{n1}=\frac{M2V2}{n2}$  

For the given chemical reaction the Molarity Equation is written as above. If 1 stands for NaOH and 2 stands for Oxalic Acid then what will be the value of n1 and n2 respectively?

• n1 = 1 and n2 = 2

• n1 = 2 and n2 = 1

• n1 = 1 and n2 = 1

• n1 = 2 and n2 = 2

Which of the following is incorrect?

1- Burette

2- Pipette

3- Volumetric Flask

4- Conical Flask

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In Oxalic Acid vs NaOH Titration if NaOH is pipetted out in conical flask and Oxalic Acid is taken in burette and phenolphthalein is used as indicator what will be the the colour change at end point of titration?

• Pink to Colourless

• Colourless to Pink

• Orange to Yellow

• Yellow to Orange