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Chemistry · PYQ NEET UG 2022

हिन्दी

A dehydration reaction links two glucose molecules to produce maltose. If the formula for glucose is \( \mathrm{C}_6\mathrm{H}_{12}\mathrm{O}_6 \) then what is the formula for maltose?

  1. \( \mathrm{C}_{12}\mathrm{H}_{22}\mathrm{O}_{11} \)
  2. \( \mathrm{C}_{12}\mathrm{H}_{24}\mathrm{O}_{11} \)
  3. \( \mathrm{C}_{12}\mathrm{H}_{20}\mathrm{O}_{10} \)
  4. \( \mathrm{C}_{12}\mathrm{H}_{24}\mathrm{O}_{12} \)

Correct answer · Option 1

\( \mathrm{C}_{12}\mathrm{H}_{22}\mathrm{O}_{11} \)

Explanation

Maltose is a disaccharide formed by joining two glucose molecules (\( 2\mathrm{C}_6\mathrm{H}_{12}\mathrm{O}_6 \)) with the elimination of one water molecule (\( \mathrm{H}_2\mathrm{O} \)), yielding \( \mathrm{C}_{12}\mathrm{H}_{22}\mathrm{O}_{11} \).
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