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JEE Main levelOne or more correct optionsDifficulty 2 of 3ro084

Which of the following consume exactly one mole of per mole of compound (excess reagent)?

  1. Aethane-1,2-diol
  2. Bpropane-1,2-diol
  3. Cpropane-1,2,3-triol
  4. Dbutane-1,2,3,4-tetrol (erythritol)

Answer: A, B

The moles of equal the number of C-C bonds between adjacent oxygenated carbons. Ethane-1,2-diol and propane-1,2-diol have 1, glycerol has 2, and erythritol has 3. Options 1 and 2 are correct.
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