Draw the curved arrows for the reaction mechanism of 4-methylpentan-2-one to give 2,4-dimethylpent-1-ene and triphenylphosphine oxide.

See picture below

Explanation:

In order to do this, we need to understand what is happening here. As the final product is an alkene and triphenylphosphine oxide, means that the starting reaction was held using methyl-triphenylphosphine. In other words, a wittig reaction which is commonly used to convert ketones or even aldehydes into alkenes.

The first step involves, a nucleophilic attack from the triphenylphosphine to the carbonyl of the ketone.

The second step, the lone pair of the oxygen will go to the atom of phosphorus in the triphenyl to form a complex there.

Following this step into the 3rd step and final step we have a breaking of the bond C - P, and then, the oxygen along with the triphenylphosphine will leave the molecule as leaving group to form the final product.

See the picture below for mechanism and a better understanding

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answer

fusion: the energy source of stars. the energy released from the collapse of the gas into a protostar causes the center of the protostar to become extremely hot. when the core is hot enough, nuclear fusion commences. fusion is the process where two hydrogen atoms combine to form a helium atom, releasing energy.

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answer:

the reaction is type of combination reaction.

explanation:

on the product side, there are 2 molecules of bonded to fe   which means one atom of fe are combined two molecules of . so, balanced chemical equation becomes :

this reaction follows the reaction type of combination reaction. a combination reaction is defined as chemical reaction in which reactants combines together to form a single product.