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Organic Chemistry

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7 Feb 2012 17:15:14 IST

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283

rosenmond rxn

Chemistry

why do we use BaSO4 in this reaction? and what would happen if only palladium is used?

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RISHABH BAJPAI

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8 Feb 2012 10:44:08 IST

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BaSO4 is used to control the reduction to aldehyde otherwise the aldehyde will be further reduced to alcohol..

ROHAN KUMAR

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8 Feb 2012 14:14:50 IST

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BaSO4 is one of imp. components of lindlar's catalyst which reduces the alkyne to alkene and benzoyl chloride to benzenealdehyde .here BaSO4 acts as solvent

rishabh

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8 Feb 2012 21:13:02 IST

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BaSO4 is used to poison palladium to reduce its reactivity by getting absorbed on its surface and reducing the surface area and hence reactivity....this helps in controlled reduction to aldehyde

Madhusudan Chavan

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9 Feb 2012 19:03:10 IST

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barium sulphate is responsilble for poisoning the surface of the catalyst preventing over reduction. If this is not done the aldehyde formed will be easily reduced to the primary alcohol.

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