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Ulimann reaction involes the use of the follwing reacants?

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Ulimann reaction involes the use of the follwing reacants?
A. Iodobenzene and sodium
B. Benzene and copper
C. Isodonenzene and copper powder
D. Benzene diazonium chloride and `Cu//HCl`
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Correct Answer - `c`
Statement (c) is Ullmann reaction.
`2Arl + Cu rarr Ar - Ar + CuI_(2)`
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