Titrimetric Analysis
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TITREMETRIC ANALYSIS REFERES TO________________________
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QUANTITATIVE
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QUALITATIVE
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- 2.
THE POINT AT WHICH TITRATION IS COMPLETED............
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EQUIVALENCE POINT
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THEORETICAL POINT
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STOICHIOMETRIC END POINT
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ALL OF THE ABOVE
Correct Answer
A. ALL OF THE ABOVEExplanation
The correct answer is "ALL OF THE ABOVE". This means that all three terms - Equivalence Point, Theoretical Point, and Stoichiometric End Point - refer to the point at which titration is completed. These terms are used interchangeably to describe the stage in a titration when the reactants have reacted in the exact stoichiometric ratio, indicating that the reaction is complete.Rate this question:
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- 3.
REACTION IN TITRIMETRIC ANALYSIS.............
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NEUTRALIZATION REACTION
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COMPLEX FORMATION REACTION
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PRECIPITATION REACTION
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OXIDATION - REDUCTION REACTION
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ALL OF THE ABOVE
Correct Answer
A. ALL OF THE ABOVEExplanation
The correct answer is "ALL OF THE ABOVE" because in titrimetric analysis, various types of reactions can occur depending on the specific analysis being conducted. Neutralization reactions occur when an acid and a base react to form a salt and water. Complex formation reactions involve the formation of a complex between a metal ion and a ligand. Precipitation reactions occur when an insoluble solid forms from the reaction of two soluble compounds. Oxidation-reduction reactions involve the transfer of electrons between species. Therefore, all of these reactions can be involved in titrimetric analysis depending on the specific circumstances.Rate this question:
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- 4.
TRANSFAR OF ELECTRONE IS OCCUR IN............
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NEUTRALIZATION REACTION
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COMPLEX FORMATION REACTION
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PRECIPITATION REACTION
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OXIDATION - REDUCTION REACTION
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ALL OF THE ABOVE
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NONE OF THEM
Correct Answer
A. OXIDATION - REDUCTION REACTIONExplanation
In oxidation-reduction reactions, electrons are transferred from one species to another. This transfer of electrons results in a change in the oxidation state of the species involved. Therefore, the correct answer is "OXIDATION - REDUCTION REACTION." In neutralization reactions, there is no transfer of electrons. In complex formation reactions and precipitation reactions, there may be electron redistribution, but it is not the primary focus of these reactions.Rate this question:
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- 5.
MOLARITY IS NUMBER OF MOLE OF SOLUTE DISSOLVED IN 1 LITRE OF SOLUTION
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True
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False
Correct Answer
A. TrueExplanation
The statement accurately defines molarity as the number of moles of solute dissolved in 1 liter of solution. Molarity is a common unit of concentration used in chemistry and is expressed as moles per liter (mol/L). This definition indicates that molarity is a measure of the amount of solute present in a given volume of solution, allowing for easy comparison of concentrations between different solutions. Therefore, the correct answer is true.Rate this question:
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- 6.
___________STANDARD IS A COMPOUND OF SUFFICEINT PURITY FROM WHICH A STANDARD SOLUTION CAN BE PREPARED BY DIRECTLY WEIGHING QUANTITY OF IT.
Correct Answer
PRIMARY - 7.
IMPURITIES OF PRIMARY STANDARD SHOULD NOT EXCEED THEN ____________
Correct Answer
0.02Explanation
The impurities of a primary standard should not exceed 0.02. This means that the primary standard should have a high level of purity, with impurities limited to a maximum of 0.02. This is important because primary standards are used as reference materials in analytical chemistry to accurately determine the concentration of a substance. Any impurities present in the primary standard could lead to inaccurate results and affect the reliability of the analysis. Therefore, it is crucial to ensure that the impurities in the primary standard are kept below the specified limit of 0.02.Rate this question:
- 8.
PRIMARY STANDARD FOR ACID BASE TITRATION..........
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SODIUM CARBONATE
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ZINC
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SILVER
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POTASSIUM DICHROMATE
Correct Answer
A. SODIUM CARBONATEExplanation
Sodium carbonate is a primary standard for acid-base titration because it is a stable compound that can be easily obtained in pure form. It has a known chemical formula (Na2CO3) and a high molecular weight, which allows for accurate measurement of the amount used in the titration. Sodium carbonate also reacts completely with acids, making it suitable for determining the concentration of an unknown acid solution. Additionally, it has a relatively high solubility in water, ensuring that it can be easily dissolved and mixed with the acid solution for the titration process.Rate this question:
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- 9.
PRIMARY STANDARD FOR COMPLEX FORMATION REACTION.........
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SODIUM TETRABORATE
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MAGNESIUM
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SODIUM CHLORIDE
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POTASSIUM BROMATE
Correct Answer
A. MAGNESIUMExplanation
The given options are all potential primary standards for complex formation reactions. A primary standard is a highly pure and stable substance that can be used to accurately determine the concentration of another substance in a chemical reaction. Among the options, magnesium is the most suitable primary standard for complex formation reactions because it is readily available, relatively inexpensive, and has a high purity level. It can be easily weighed and dissolved in a solvent to prepare a standard solution for the reaction.Rate this question:
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- 10.
PRIMARY STANDARD FOR PRECIPATION REACTION.....................
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POTASSIUM HYDROGENPHTHALATE
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COPPER
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POTASSIUM CHLORIDE
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POTASSIUM HYDROGENIODATE
Correct Answer
A. POTASSIUM CHLORIDEExplanation
Potassium chloride is the primary standard for precipitation reaction because it is a stable compound that can be easily obtained in a pure form. It is also soluble in water, allowing for accurate measurements and calculations. Additionally, potassium chloride is non-toxic and does not react with other substances in the solution, making it an ideal choice for standardizing precipitation reactions.Rate this question:
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- 11.
PRIMARY STANDARD FOR OXIDATION-REDUCTION TITRATION..................
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SODIUM OXALATE
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POTASSIUM BROMIDE
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SALTS
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SODIUM CARBONATE
Correct Answer
A. SODIUM OXALATEExplanation
Sodium oxalate is the primary standard for oxidation-reduction titration because it can be easily prepared in a pure form and has a known and stable composition. It can also be accurately weighed and dissolved in a solution, allowing for precise measurements during the titration process. Sodium oxalate is also a strong reducing agent, making it suitable for titrations involving oxidizing agents. Additionally, it does not react with atmospheric oxygen, which ensures the accuracy and reliability of the titration results.Rate this question:
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- 12.
HYDRATED SALTS ARE NOT USED BECAUSE IT IS _____________
Correct Answer
DIFFICULT TO DRYExplanation
Hydrated salts are not used because they are difficult to dry. This means that these salts contain water molecules within their crystal structure, making it challenging to remove the water and obtain the anhydrous form of the salt. The presence of water can affect the stability, purity, and properties of the salt, making it unsuitable for certain applications. Therefore, it is preferred to use anhydrous salts whenever possible.Rate this question:
- 13.
CHEMICAL NAME OF CRESOL RED (ACID) IS______________
Correct Answer
1-CRESOLSULPHONPHTHALEINExplanation
Cresol red (acid) is chemically known as 1-cresolsulphonphthalein.Rate this question:
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Mar 22, 2023Quiz Edited by
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Oct 13, 2012Quiz Created by
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