1. Tardigrade
  2. Question
  3. Chemistry
  4. If number of aldose, ketose, furanose and pyranose units present in maltose are p, q, r, s respectively. Find the value of p+q+r+s <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/c-6xuzkjhhxlqxylrd.jpg />

Question Error Report

Thank you for reporting, we will resolve it shortly

Back to Question

Q. If number of aldose, ketose, furanose and pyranose units present in maltose are $p, q, r, s$ respectively. Find the value of $p+q+r+s$
Question

NTA AbhyasNTA Abhyas 2022Biomolecules

Solution:

Monomer of maltose is $\alpha $ -D-glucopyranose. It is disaciharide, so $2$ aldose and $2$ pyranose forms are present in maltose.
Hence, $p = 2, q = 0, r = 0 $ and $s = 2$
So, sum of $p + q + r + s = 2 + 0 + 0 + 2 = 4$.