y. What is the name of the compound shown at the right? A)meta-dipropyl-benzene

Question

y. What is the name of the compound shown at the right? A)meta-dipropyl-benzene C) para-dipropyl-benzene B) ortho-dibutyl-cyclohexane D) ortho-dipropyl-benzene E) meta-dibutyl-benzene Consider the four structures shown below. v. Structures #1 and #2 are related as, B) Geometric isomers C) Optical isomers A) Structural isomers D) They are not isomers. E)They are the same compound. vi. Structures #2 and #3 are related as, A Structural isomersB) Geometric isomersC) Optical isomers D) They are not isomers. E) They are the same compound. vii. / Structures #2 and #4 are related as, C) Optical isomers A) Structural isomers D) They are not isomers. B) Geometric isomers E) They are the same compound

Explanation / Answer

iv. (A) meta- dipropyl-benzene

bcoz propyl groups are at 1, 3 position

v. (E) Structure 1 and 2 are same compound

after rotation about 4th carbon we get same compound

vi (E) Structure 2 and 3 are not same compound bcoz back bone has 7 and 6 carbon

vii (B) Structure 2 and 4 are are geometrical isomers

structure 2 formed Z alkene whereas structure 4 formed E alkene

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