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Question: Answered & Verified by Expert
An organic compound $(A)$ on ozonolysis followed by treatment with zinc dust and water give product $P$, which can be used to preserve biological specimens. Identify $A$.
ChemistryAldehydes and KetonesAP EAMCETAP EAMCET 2022 (08 Jul Shift 2)
Options:
  • A
  • B
  • C
  • D
Solution:
2560 Upvotes Verified Answer
The correct answer is:
Formaldehyde $(\mathrm{HCHO})$ is used to preserve biological specimens. It changes the tissue on a molecular level, so that the bacteria can't feed on the tissues.
Thus, among the given compound only ethene $(A)$ on ozonolysis followed by treatment with zinc dust and water give formaldehyde $(P)$. The reaction involve is as follows.

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