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NEET Chemistry QUESTION #1086
Question 1
Sugar 'X': A. is found in honey. B. is a keto sugar. C. exists in \(\alpha\) and \(\beta\)-anomeric forms. D. is laevorotatory. 'X' is:
  • Maltose
  • Sucrose
  • D-Glucose
  • D-Fructose(Correct)
Correct Answer Explanation
D-Fructose satisfies all conditions: (A) Found in honey — ✓. (B) Keto sugar (ketohexose) — ✓. (C) Exists in \(\alpha\) and \(\beta\)-anomeric forms (in cyclic pyranose/furanose forms) — ✓. (D) Laevorotatory (rotates plane of polarized light to left, hence the 'D' prefix refers to configuration, not optical rotation) — ✓. D-Glucose is dextrorotatory.