Argon belong to the element group of noble gases.
Argon belongs to the element group called noble gases, which is Group 18 in the periodic table. Noble gases are known for their low reactivity due to having a full outer electron shell.
Argon is a colorless, odorless, and non-toxic gas. It is the third most abundant gas in the Earth's atmosphere, constituting about 0.93% of the air we breathe. Argon is considered an inert gas because it has a complete outer electron shell, making it highly stable and unreactive under normal conditions. This lack of reactivity is due to the full complement of electrons in its outermost energy level, making it unlikely to form chemical bonds with other elements.
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which of the following options correctly describe the reaction of an aldehyde or ketone with the cyanide ion? select all that apply.
The reaction of an aldehyde or ketone with the cyanide ion is correctly described as **nucleophilic addition** and leads to the formation of **cyanohydrins**.
In this reaction, the cyanide ion (CN⁻) acts as a nucleophile, meaning it donates a pair of electrons to the electrophilic carbon atom in the carbonyl group (C=O) of an aldehyde or ketone. This results in the addition of the cyanide group to the carbon and a hydroxyl group (OH) to the oxygen, forming a cyanohydrin compound. Nucleophilic addition reactions are characteristic of carbonyl compounds like aldehydes and ketones. The cyanohydrin products are versatile intermediates in organic synthesis, as they can be further converted to other functional groups, such as carboxylic acids and amines.
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