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A Simple aromatic hydrocarbon A reacts with Cl_2 to give B of molecular formula C_6H_5Cl. B on reaction with ethyl chloride along with sodium metal gives C of formula C_8H_10.C alone reacts with Na metal in the presence of ether to give D C_12 H_10. Identify A,B,C & D.

Answer» <html><body><p></p>Solution : (i) The simple aromatic <a href="https://interviewquestions.tuteehub.com/tag/hydrocarbon-1034072" style="font-weight:bold;" target="_blank" title="Click to know more about HYDROCARBON">HYDROCARBON</a> is `C_6H_6` Benzene (A) <br/> (ii) Benzene reacts with `Cl_2` to give chlorobenzene. <br/> `C_6H_6 + Cl_2 overset(FeCl_2) to underset("benzene")underset("Chloro")(C_6H_5Cl) + HCl_B` <br/> (<a href="https://interviewquestions.tuteehub.com/tag/iii-497983" style="font-weight:bold;" target="_blank" title="Click to know more about III">III</a>) Chlorobenzene reacts with ethyl <a href="https://interviewquestions.tuteehub.com/tag/chloride-915854" style="font-weight:bold;" target="_blank" title="Click to know more about CHLORIDE">CHLORIDE</a> to <a href="https://interviewquestions.tuteehub.com/tag/form-996208" style="font-weight:bold;" target="_blank" title="Click to know more about FORM">FORM</a> ethyl benzene, C as the product. <br/> `C_6H_5Cl + <a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a> Na+ C_2H_5Cl overset("ether")to underset("Ethyl benzene C")(C_6H_5- C_2H_5) + 2NaCl` <br/> (iv) Chlorobenzene on reaction Na metal gives Biphenyl compound D as the product. <br/> `C_6H_5Cl + 2Na + C_6H_5Clto underset("Biphenyl D")(C_6H_5-C_2H_5) + 2NaCl` <br/> <img src="https://d10lpgp6xz60nq.cloudfront.net/physics_images/FM_CHE_XI_V02_C14_E03_235_S01.png" width="80%"/></body></html>


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