Question

3.An titration between NaOH and H2C204, 2H20 is a type of...tiraction.

a) Iodometric
b) alkalimetry
c) Redox
d) Precipitation

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Answer 1

Answer:

Oxalic acid is titrated against NaOH. Phenolphthalein is chosen because it changes color in a pH range between 8 – 10. It appears pink in basic solutions and colourless in acidic solutions.

Oxalic acid is titrated against NaOH. Phenolphthalein is chosen because it changes color in a pH range between 8 – 10. It appears pink in basic solutions and colourless in acidic solutions.In the case of a strong acid-strong base titration, this pH transition would take place within a fraction of a drop of actual neutralization, since the strength of the base is high.

Explanation:

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Answer 2

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b) Alkalimetry.