List of top Chemistry Questions on Isomerism asked in JEE Main

The incorrect statements regarding geometrical isomerism are: 
(A) Propene shows geometrical isomerism. 
(B) Trans isomer has identical atoms/groups on the opposite sides of the double bond. 
(C) Cis-but-2-ene has higher dipole moment than trans-but-2-ene. 
(D) 2-methylbut-2-ene shows two geometrical isomers. 
(E) Trans-isomer has lower melting point than cis isomer. 
 

Given below are two statements: Statement (I):
isomeric compounds
are isomeric compounds.
Statement (II):
isomeric compounds
are functional group isomers.
In the light of the above statements, choose the correct answer from the options given below:

Given below are two statements: 

Statement (I):
  are isomeric compounds. 

Statement (II): 
are functional group isomers.

In the light of the above statements, choose the correct answer from the options given below:

correct order of compound
The number of optical isomers in following compound is : _____.
isomers
Number of geometrical isomers possible for the given structure is/are ___________.
geometrical isomers
Which one of the following will show geometrical isomerism?
Match List - I with List - II.
List - I (Pair of Compounds)List - II (Isomerism)
(A) n-propanol and Isopropanol(I) Metamerism
(B) Methoxypropane and ethoxyethane(IV) Functional Isomerism
(C) Propanone and propanal(III) Position Isomerism
(D) Neopentane and Isopentane(II) Chain Isomerism
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): The total number of geometrical isomers shown by [Co(en)$_2$Cl$_2$]$^+$ complex ion is three.
Reason (R): [Co(en)$_2$Cl$_2$]$^+$ complex ion has an octahedral geometry.
In the light of the above statements, choose the most appropriate answer from the options given below:
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): Cis form of alkene is found to be more polar than the trans form
Reason (R): Dipole moment of trans isomer of 2-butene is zero. In the light of the above statements.
Choose the correct answer from the options given below :
The number of possible isomeric products formed when 3-chioro-1-butene reacts with HCl through carbocation formation is __________
The one giving maximum number of isomeric alkenes on dehydrohalogenation reaction is
(excluding rearrangement)
Total number of possible stereoisomers of dimethyl cyclopentane is _______.
The number of stereoisomers formed in a reaction of (±) Ph (C = O) C (OH) (CN) Ph with HCN is_____.
[Where, Ph is – C6H5]

Total number of relatively more stable isomer(s) possible for octahedral complex [Cu(en)2(SCN)2] wiil be ______.

The number of isomeric forms that are represented by C7H9N is: