Question
Asked Jan 6, 2020
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 What is the minimum amount of hydrogen gas, in grams, required to completely hydrogenate 15.5 kg of 2-butene? 

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Expert Answer

Step 1

Hydrogenation reaction is an addition reaction of alkene that leads to the formation of alkane. It involves the addition of H atoms on double bonded C atoms of alkene. Usually metal catalyst like Ni, Pd are used for hydrogenation of alkene.

Step 2

The balance chemical equation of hydrogenation of 2-butene is as given. Hence 1 mole of 2-butene reacts with 1 mole of hydrogen gas.

Chemistry homework question answer, step 2, image 1
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Step 3

Calculate moles of 2-butene:

Mass of 2-butene = 15.5 ...

Chemistry homework question answer, step 3, image 1
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