Analytical sections quiz
Analytical Chemistry Quiz
Test your knowledge in analytical chemistry with this comprehensive quiz! Covering key concepts such as titration, indicators, and solubility, this quiz is perfect for students and professionals alike.
- 26 multiple choice questions
- Challenging and educational
- Instant feedback on answers
The agreement between different measurements
Precision
Accuracy
The point where sufficient titrant has been added to be stoichiometrically equivalent to the amount of analyte
End point
Equivalent point
Reducing agents ( reductants )
Loose electrons
Gain electrons
Potassium ferricyanide
Self indicator
External indicator
Internal indicator
Irreversible indicator
The Disadvantage of external indicator
Destroyed when adding acid
Hydrolysed when adding alcohol
Loss of sample
Diphenylamine
Self indicator
External indicator
Internal indicator
Methyl red
External indicator
Irreversible indicator
Specific indicator
For coloured or highly turbidsoluions , we use
External indicator
Irreversible indicator
Potentiometric method
Specific indicator
KMnO4
Primary standard
Secondary standard
Which one is stable
Primary standard
Secondary standard
The colour of mno4^ (-2)
Violet
Green
Colourless
In kmno4 standardization titration , we use glass wool instead of filter paper , why ?
To prevent evaporation
To allow kmno4 molecules to pass
To prevent cellulose oxidation
To increase surface area of reaction
Ferroin
External indicator
Internal indicator
Specific indicator
Ferroin changes ( سؤال بدون درجة )
From orange to bluish green
From bluish green to orange
Don't change in colour
Can we use iodine ( only ) as self indicator ?
Yes
No
In iodimetric titration , we add starch
At the beginning of titration
Near of the end point
Acids make the starch
Hydrolysed
Oxidised
Can't attach to iodine
Alcohols make the starch
Hydrolysed
Oxidised
Can't attach to iodine
The solubility of iodine in water
Very weak
Very strong
Iodine solubility in chloroform is about ........ times Greater than in water
10
80
90
100
The end point in iodimetry
Blue colour
White colour
Sulphite can be determined by
Iodimetric titration
Iodometric titration
الامتحان هيجي سهل ولا صعب
سهل وهحل
سهل ومش هحل
صعب و هحل
بلاش 😂
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