Which of the following compound gives red ppt with CuCl_(2)//NH_(4)OH

1.	Which of the following compound gives red ppt with CuCl_(2)//NH_(4)OH ?
Answer» `CH_(3)-C-=C-CH_(3)` `CH_(3)-CH_(2)-C-=CH` `CH_(3)-CH_(2)-CH=CH_(2)` `CH_(3)-C-=C-CH=CH_(2)` ANSWER :B

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