The purpose of the SN1 and SN2 reactions are;
To study the effect of substrate structure and leaving groups on the sn1/sn2 reactions.
To compare the different mechanisms of nucleophilic substitution (SN) reactions.
<h3>What is nucleophilic reaction?</h3>
We know that in the reaction between an alkyl halide and a specie that has a high electron density, the reaction would involve the attack of a center that has a developing positive charge. The specie that attacks the center taht has the positive charge is called the nucleophile.
We know that the shape of the substrate alkyl halide affects the rate of the reaction or the nature of the nucleophilic reaction. The tertiary alkyl halides tend to undergo the reaction via the SN1 mechanism while the primary alkyl halides tend to undergo the reaction via the SN2 mechanim. The mechanism of the secondary alkyl halides would depend on the conditions of the reaction.
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Answer:
Li⁺
Explanation:
In ion formation, the ionization energy plays a very important role. To form an ion, an atom will lose or gain an electron to become charged.
The higher the ionization energy of an atom, the more the energy required to remove an electron from it to form an ion.
- Ionization energy is the energy required to remove an electron from an atom.
- It is the readiness of an atom to lose an electron. The lower the value, the easier it is for an atom to lose an electron and vice versa.
Generally, down the group, ionization energy decreases. Since both potassium and lithium are in group 1, Li will have a higher ionization energy. It will take more energy to form Li⁺ compared to K⁺.
The equation is an oxidation half-reaction, because the Mg is <em>losing electron</em>s to
form Mg²⁺.
<em>L</em>oss of <em>E</em>lectrons is <em>O</em>xidation and
<em>O</em>xidation <em>I</em>s <em>L</em>oss of electrons.