The alkane from below having two secondary hydrogens is:
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- 2,2,4,4-Tetramethylhexane
- 2,2,3-Tetramethylpentane
- 4-Ethyl-3,4-dimethyloctane
- 2,2,4,5-Tetramethylheptane
The Correct Option is B
Solution and Explanation
Step 1: A secondary hydrogen is one that is attached to a carbon atom that is itself attached to two other carbon atoms.
Step 2: In 2,2,3-Tetramethylpentane, the carbon atoms at positions 2 and 3 have two other carbon atoms attached, and the hydrogens attached to these carbons are secondary hydrogens.
Step 3: Other options do not exhibit the same secondary hydrogen placement.
Thus, the correct answer is 2,2,3-Tetramethylpentane.
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