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Thursday, January 2, 2020

How many different structural isomers exist with the formula C5H10? (Except geometric and optical isomers) :


(A) There are five linear Isomers:
(1) Pent-1-ene (2) Pent-2-ene (3) 2-Methylbut-1-ene (4) 2-Methylbut-2-ene (5) 3-Methylbut-1-ene


(B) There are five cyclic Isomers:

(1) Cyclopentane (2) 1-Methylcyclobutane (3) 1-Ethylcyclopropane (4) 1,1-Dimethylcycloprone (5) 1,2-Dimethylcyclopropane



Wednesday, January 1, 2020

Write the major and minor product of hydration of 1-Methylcyclopent-1-ene in acidic medium?

Write the major and minor product of hydrohalogenation of 2-Methylbut-1-ene in acidic medium?

How many cyclic isomers possible of (C6H12) Hexene?

There is twelve cyclic compounds can draw with molecular formula of (C6H12 ) hexene. Six – Four member cyclic compounds and six - three member cyclic compounds  
(A) Six – Four member cyclic compounds:
(1) Cyclohexane (2) 1-Methylcyclopentane (3) 1-Ethylcyclobutane (4) 1,1-Dimethylbutane (5) 1,2-Dimethylcyclobutane (6) 1,3-Dimethylcyclobutane

(B) Six - three member cyclic compounds:
(1) 1-Propylcyclopropane (2) 1-(1-methylethyl)cyclopropane (3) 1-Ethyl-1-methylcyclopropane (4) 1-Ehtyl-3-methylcyclopropane (5) 1,1-Dimthyl-2-methylcyclopropane (6) 1,2,3-Trimethylcyclopropane.

How many cyclic isomers possible of (C5H10) pentene?

How many cyclic isomers possible of (C5H10) pentene?

There is five cyclic compounds can draw with molecular formula of (C5H10 ) Pentene.
(1)  Cyclopentane (2) 1-Methylcyclobutane (3) 1-Ethylcyclopropane (4) 1,1-Dimethylcycloprone (5) 1,2-Dimethylcyclopropane