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Multiple Choice
Fill in the missing reagent for the provided reaction.
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Verified step by step guidance
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Identify the starting material and the product in the reaction. The starting material is a benzene ring with a nitro group (NO2) attached, and the product is a benzene ring with an amino group (NH2) attached.
Recognize that the transformation from a nitro group to an amino group is a reduction reaction. This type of reaction typically involves the addition of hydrogen to the nitro group.
Consider common reagents used for the reduction of nitro groups to amino groups. Some typical reagents include tin (Sn) with hydrochloric acid (HCl), iron (Fe) with hydrochloric acid (HCl), or catalytic hydrogenation using hydrogen gas (H2) with a metal catalyst like palladium on carbon (Pd/C).
Select an appropriate reagent for the reaction. For example, using tin (Sn) with hydrochloric acid (HCl) is a common method for reducing nitro groups to amino groups in aromatic compounds.
Write the complete reaction equation with the chosen reagent. For instance, if using Sn and HCl, the reaction would be: C6H5NO2 + 3 Sn + 6 HCl → C6H5NH2 + 3 SnCl2 + 2 H2O.