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Posted by on Sunday, February 10, 2008 at 4:32pm.

Difference between hydration and hydrogenation reactions?

I have searched everywhere in my book and all I can come up with is:

Hydorgenation is when atoms of hydrogen H2 are added to the carbons in a double or triple bond of alkenes or alkynes to form what we call alkanes. More or less attaches to one of the carbon atoms in a double and OH-attaches to the other carbon atom of the alkene H2O or HOH help to form the hydration reactions when added to the hydrocarbons.

Does anyone know if this is close?

  • Chemistry - , Sunday, February 10, 2008 at 9:39pm

    It's close but you don't differentiate very well. Are you talking about hydrogenation and hydration of a double or triple bond in alkenes or alkynes. Or are you talking about hydration of a salt in inorganic chemistry. Your answer for hydrogenation is fairly clear cut if it is organic chemistry. If you are hydrating an alkene, then your answer is fairly good except you need to precede with a lead and change the wording, such as, "When adding water to an alkene, the hydrogen adds to one carbon of the double bond while OH adds to the other carbon of the double bond. If you are not dealing with organic chemistry then these definitions are are no value to you and we need to rething our positions.

  • Chemistry - , Sunday, February 10, 2008 at 9:55pm

    It is organic and it is in alkenes.

  • Chemistry - , Sunday, February 10, 2008 at 10:34pm

    Do you mean like this?


    Hydorgenation is when atoms of hydrogen H2 are added to the carbons in a double or triple bond of alkenes or alkynes to form what we call alkanes. More or less attaches to one of the carbon atoms in a double and OH-attaches to the other carbon atom of the alkene H2O or HOH help to form the hydration reactions when added to the hydrocarbons. When adding water to an alkene, the hydrogen adds to one carbon of the double bond while OH adds to the other carbon of the double bond.

  • Chemistry - , Sunday, February 10, 2008 at 10:48pm

    Hydorgenation is when atoms of hydrogen H2 are added to the carbons in a double or triple bond of alkenes or alkynes to form what we call alkanes. I like the previous sentence. More or less attaches to one of the carbon atoms in a double and OH-attaches to the other carbon atom of the alkene H2O or HOH help to form the hydration reactions when added to the hydrocarbons. I don't like the previous sentence. Starting a sentence with more or less doesn't make sense to me and the further I read in the sentence the more confused I become. I would delete the entire sentence. When adding water to an alkene, the hydrogen adds to one carbon of the double bond while OH adds to the other carbon of the double bond.The previous sentence describes the addition of H2O to a double bond in an alkene very well.

  • Chemistry - , Sunday, February 10, 2008 at 10:54pm

    Hydrogenation is when atoms of hydrogen H2 are added to the carbons in a double or triple bond of alkenes or alkynes to form what we call alkanes.When adding water to an alkene, the hydrogen adds to one carbon of the double bond while OH adds to the other carbon of the double bond

  • Chemistry - , Sunday, February 10, 2008 at 10:58pm

    That sounds good to me.

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