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NEET UG CHEMISTRY MCQ: SOME BASIC CONCEPTS OF CHEMISTRY

1 Hard

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Analyzing +4 | -1

A mixture of

\mathrm{NaHC}_2 \mathrm{O}_4

and

\mathrm{KHC}_2 \mathrm{O}_4 \cdot \mathrm{H}_2 \mathrm{C}_2 \mathrm{O}_4

required equal volumes of

0.2 \mathrm{~N} \mathrm{~KMnO}_4

and

0.12 \mathrm{~N} \mathrm{NaOH}

separately. What is the molar ratio of

\mathrm{NaHC}_2 \mathrm{O}_4

and

\mathrm{KHC}_2 \mathrm{O}_4 \cdot \mathrm{H}_2 \mathrm{C}_2 \mathrm{O}_4

in the mixture?

View answer and explanation

Correct option: D

3: 1

Option D is correct because the molar ratio of NaHC2O4 to KHC2O4.H2C2O4 is 3:1, calculated by equating the equivalents of KMnO4 and NaOH used in the titrations.

NEET UG CHEMISTRY MCQ: SOME BASIC CONCEPTS OF CHEMISTRY

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