Q3 / 55 · KVPY 2020 (SA) · Chemistry

A molecule which has 1°,2° and 3° carbon atoms is :

  • A
    2,3,4 -trimethylpentane
  • B
    chlorocyclohexane
  • C
    2,2 -dimethylcyclohexane
  • Correct answer
    D
    methylcyclohexane

Solution

A⇒2,3,4-trimethylpentane

only 1° and 3° hydrogen's are present

Figure

all hydrogen's are 2°

Figure
1,1 -dimethylcyclo hexane

1° and 2° hydrogen's are present

Figure
1°,2° and 3° hydrogen's are present

Hence, the correct answer is option: 'D'.

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