Question:
The structure of the product 'Z' in the reaction sequence is:
\[
\text{CHO}
\]
\[
\mid
\]
\[
The structure of the product 'Z' in the reaction sequence is:
\[
\text{CHO}
\]
\[
\mid
\]
\[
Show Hint
In high-pressure chlorination, benzene undergoes full substitution, forming hexachlorobenzene.
Updated On: Jun 5, 2025
- Chlorobenzene
- 1,2-Dichlorobenzene
- Hexachlorobenzene
- 1,2,3,4,5,6-Hexachlorocyclohexane (Gamma-Hexachlorocyclohexane or Lindane)
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The Correct Option is C
Solution and Explanation
Step 1: Identifying the Initial Compound
The given compound (CHOH\(_4\)CH\(_2\)OH) represents glucose or sorbitol, which undergoes reduction with HI and heat to form cyclohexane (X).
Step 2: Oxidation to Benzene
Cyclohexane (X) undergoes dehydrogenation with \( Cr_2O_3 \) at high temperatures (773 K), resulting in benzene (Y).
Step 3: Chlorination
Benzene (Y) reacts with chlorine (\( Cl_2 \)) under high pressure (10-20 atm) and UV light, leading to the formation of hexachlorobenzene (Z).
Conclusion
Thus, the correct answer is:
\[
\text{Hexachlorobenzene}
\]
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