1. Tardigrade
  2. Question
  3. Chemistry
  4. An ester (A) with molecular formula C 9 H 10 O 2 was treated with excess of CH 3 MgBr and the compound so formed was treated with conc. H 2 SO 4 to form olefin (B). Ozonolysis of (B) gave ketone with formula C 8 H 8 O which shows positive iodoform test. The structure of (A) is

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Q. An ester $(A)$ with molecular formula $C _{9} H _{10} O _{2}$ was treated with excess of $CH _{3} MgBr$ and the compound so formed was treated with conc. $H _{2} SO _{4}$ to form olefin $(B)$. Ozonolysis of $(B)$ gave ketone with formula $C _{8} H _{8} O$ which shows positive iodoform test. The structure of $(A)$ is

Aldehydes Ketones and Carboxylic Acids

Solution:

Correct answer is (a) $C _{6} H _{5} COOC _{2} H _{5}$

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