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Standard XII
Chemistry
NCERT
Question

Which of the following statements is correct?
  1. Glycerol on reaction with oxalic acid at 110∘ (383 K) and followed by heating and hydrolysis gives formic acid and glycerol.
  2. Glycerol on reaction with oxalic acid at 230∘ (503 K) and followed by heating gives formic acid and glycerol.
  3. Glycerol on reaction with oxalic acid and dil. HNO3 gives a mixture of glyceric and tartonic acid.
  4. Glycerol on oxidation with conc. HNO3 gives glyceric acid.

A
Glycerol on oxidation with conc. HNO3 gives glyceric acid.
B
Glycerol on reaction with oxalic acid at 110∘ (383 K) and followed by heating and hydrolysis gives formic acid and glycerol.
C
Glycerol on reaction with oxalic acid at 230∘ (503 K) and followed by heating gives formic acid and glycerol.
D
Glycerol on reaction with oxalic acid and dil. HNO3 gives a mixture of glyceric and tartonic acid.
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Solution
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Glycerol on oxidation with conc. HNO3 gives glyceric acid as given in the above image.
467271_248258_ans_47b7089c70854d5c8d598360602cdab1.PNG

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