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Question
C
H
3
4
C
যৌগটির IUPAC নাম-
Tetramethylcarbon
n-pentane
iso-pentane
2,2-dimethylpropane
neo-pentane
ANSWER : 4
Descrption
<p style="margin-left:0px;">The IUPAC name for the compound (CH₃)₄C is <strong>2,2-dimethylpropane</strong>.</p><p style="margin-left:0px;">Here's the breakdown of how to arrive at the IUPAC name:</p><p style="margin-left:0px;"><strong>Identify the parent chain:</strong></p><ul><li>The longest carbon chain in the molecule is 3 carbons long, so the parent chain is propane.</li></ul><p style="margin-left:0px;"><strong>Identify the substituents:</strong></p><ul><li>There are four methyl (CH₃) groups attached to the central carbon.</li></ul><p style="margin-left:0px;"><strong>Number the carbon chain:</strong></p><ul><li>Since all the substituents are attached to the same carbon, the numbering doesn't affect the name. We can choose any numbering as long as we mention the positions of the substituents.</li></ul><p style="margin-left:0px;"><strong>Name the substituents and their positions:</strong></p><ul><li>The substituents are methyl groups.</li><li>Since there are four methyl groups, the prefix is "tetra".</li><li>All the methyl groups are attached to the same carbon (carbon number 2), so we use the location specifier "2,2-".</li></ul><p style="margin-left:0px;"><strong>Combine the parts:</strong></p><ul><li>Prefix (tetra) + root (methyl) + suffix (ane) + location specifiers (2,2-)</li></ul><p style="margin-left:0px;">Therefore, the complete IUPAC name is 2,2-dimethylpropane.</p>
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