CH_(3)-underset(CH_(3))underset(|)(C)H-CH_(2)-underset(CH_(3))underset(|)(C)H-CH_(2)-CH_(3)underset(800^(@)C)overset(Cr_(2)O_(3)//Al_(2)O_(3))to Find the X.

CH_(3)-underset(CH_(3))underset(|)(C)H-CH_(2)-underset(CH_(3))underset

1.	CH_(3)-underset(CH_(3))underset(\|)(C)H-CH_(2)-underset(CH_(3))underset(\|)(C)H-CH_(2)-CH_(3)underset(800^(@)C)overset(Cr_(2)O_(3)//Al_(2)O_(3))to Find the X.
Answer» `CH_(3)-UNDERSET(CH_(3))underset(\|)OVERSET(CH_(3))overset(\|)(C)-C-underset(CH_(3))underset(\|)overset(CH_(3))overset(\|)(C)H_(2)-CH_(3)` `CH_(3)-underset(CH_(3))underset(\|)overset(CH_(3))overset(\|)(C)-C-underset(CH_(3))underset(\|)overset(CH_(3))overset(\|)(C)H_(2)-CH_(3)` Answer :C