1.

Catalytic dehydrogenation of n-haptane in presence of \[C{{r}_{2}}{{O}_{3}}/A{{l}_{2}}{{O}_{3}}\] at 750 K gives [Roorkee 1999]

A. iso-heptane
B. 1-heptene
C. toluene
D. 2, 3-dimethylpentene-1
Answer» D. 2, 3-dimethylpentene-1


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