[cs_content][cs_section parallax=”false” separator_top_type=”none” separator_top_height=”50px” separator_top_angle_point=”50″ separator_bottom_type=”none” separator_bottom_height=”50px” separator_bottom_angle_point=”50″ style=”margin: 0px;padding: 45px 0px;”][cs_row inner_container=”true” marginless_columns=”false” style=”margin: 0px auto;padding: 0px;”][cs_column fade=”false” fade_animation=”in” fade_animation_offset=”45px” fade_duration=”750″ type=”1/1″ style=”padding: 0px;”][cs_text]Organic Chemistry > Products of Reactions Involving Hydrocarbons >[/cs_text][cs_text]Reaction with Hydrogen (H2)
- Alkenes participate in an addition reaction with Hydrogen (known as hydrogenation). The double bonds between the carbon atoms break and hydrogen atoms are added in the free bonds.
[/cs_text][x_image type=”none” src=”https://easychem.com.au/wp-content/uploads/2019/06/Alkenes.jpg” alt=”” link=”false” href=”#” title=”” target=”” info=”none” info_place=”top” info_trigger=”hover” info_content=””][/cs_column][/cs_row][/cs_section][cs_section parallax=”false” separator_top_type=”none” separator_top_height=”50px” separator_top_angle_point=”50″ separator_bottom_type=”none” separator_bottom_height=”50px” separator_bottom_angle_point=”50″ style=”margin: 0px;padding: 45px 0px;”][cs_row inner_container=”true” marginless_columns=”false” style=”margin: 0px auto;padding: 0px;”][cs_column fade=”false” fade_animation=”in” fade_animation_offset=”45px” fade_duration=”750″ type=”1/1″ style=”padding: 0px;”][cs_text]
- Alkynes too give similar Hydrogenation reaction. The only difference is that since alkynes have triple bonds and only one of the bonds is broken.
[/cs_text][x_image type=”none” src=”https://easychem.com.au/wp-content/uploads/2019/06/Alkynes.jpg” alt=”” link=”false” href=”#” title=”” target=”” info=”none” info_place=”top” info_trigger=”hover” info_content=””][/cs_column][/cs_row][cs_row inner_container=”true” marginless_columns=”false” style=”margin: 0px auto;padding: 0px;”][cs_column fade=”false” fade_animation=”in” fade_animation_offset=”45px” fade_duration=”750″ type=”1/1″ style=”padding: 0px;”][cs_text]Reaction with Halogens (X2)
- When halogens react with Alkenes the C=C breaks and the halogens are added in the free bonds.
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- Alkynes also give similar reactions and the halogens replace a one bond of the triple bonds.
[/cs_text][x_image type=”none” src=”https://easychem.com.au/wp-content/uploads/2019/06/Alkynes2.jpg” alt=”” link=”false” href=”#” title=”” target=”” info=”none” info_place=”top” info_trigger=”hover” info_content=””][cs_text]Reaction with Hydrogen Halides (HX)
- Alkenes react with hydrogen halides as follows:
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- Alkynes give the following reaction:
[/cs_text][x_image type=”none” src=”https://easychem.com.au/wp-content/uploads/2019/06/Alkynes3.jpg” alt=”” link=”false” href=”#” title=”” target=”” info=”none” info_place=”top” info_trigger=”hover” info_content=””][cs_text]Reaction with Water (H2O)
- In presence of high amount of acid which has catalytic effects, Alkenes react with water to form alcohol.
Reference image for reaction:[/cs_text][x_image type=”none” src=”https://easychem.com.au/wp-content/uploads/2019/06/Alkenes4.jpg” alt=”” link=”false” href=”#” title=”” target=”” info=”none” info_place=”top” info_trigger=”hover” info_content=””][cs_text]
- Alkynes react with water in presence of acid and mercuric sulphate. The product of hydration of most alkynes are ketones.
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