Moderate

All are dehydrating agents for alcohols to produce alkene except:

Correct answer: B. P2O5

  • A. Al2O3
  • B. P2O5
  • C. Dilute H2SO4
  • D. H3PO4

Explanation

There is no such reaction in which P2O5 can produce alkenes from alcohol. Dehydration of alcohols can happen through Al2O3, Dil H2SO4, and H3PO4, more about these reactions:

Last updated

About Biological Molecules

The chapter covers water's polarity and biological roles, carbohydrates, lipids, proteins and nucleic acids, including their monomers, bonds, structures and functions. It also distinguishes RNA from DNA and explains conjugated molecules such as glycoproteins, glycolipids and nucleoproteins, which combine organic molecules with a non-protein component.

Practise Biological Molecules

1,790 free Biological Molecules MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.

Exams that ask Biology questions like this

Biology is on 6 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.

Related questions