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vredina [299]
2 years ago
12

What is the product of an addition reaction between butanal, ch3−ch2−ch2−cho, and water?

Chemistry
1 answer:
sleet_krkn [62]2 years ago
3 0

We have to get the product of the addition reaction between butanal and water.


The product of the addition reaction between butanal and water is the gem di-ol which is unstable and it produces the  reactant i.e. butanal only.


The reaction is shown in the figure.


From the figure we can see that in the addition reaction there the –C atom of the –CHO (aldehyde group) possess two –OH (hydroxyl group) as a product (gem-diol) of addition reaction, which is highly unstable and water molecule are regenerate to form the reactant i.e. butanal again.

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The ∆H (heat of reaction) of the combustion reaction is the heat that accompanies the entire reaction. For its calculation you must make the total sum of all the heats of the products and of the reagents affected by their stoichiometric coefficient (number of molecules of each compound that participates in the reaction) and finally subtract them:

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In this case, you have:  2 NOCl(g) → 2 NO(g) + Cl₂(g)

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Knowing:

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-H_{NOCl}=75.5 kJ/mol - 2*90.25 kJ/mol

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H_{NOCl}=105 kJ/mol

<u><em>The standard enthalpy of formation of NOCl(g) at 25 ºC is 105 kJ/mol</em></u>

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