Positional Isomerism

Q.

The type of isomerism exhibited by the compound with formula $C_4{H}_{10}O$ is

1. Chain and position

2. Functional and position

3. Metamerism

4. Chain, position, functional, and metamerism.

Q.

What is chain isomerism? Write the formulae of the two-chain isomers of Butene.

Q. Which of the following pairs are related as position isomers?

1. $C{H}_2\left(OH\right)C{H}_{2}COOHandC{H}_3-CH\left(OH\right)COOH$
2. $C_2{H}_{5}OHandC{H}_{3}OC{H}_3$
3. $(C_2{H}_5{)}_{2}COandC{H}_{3}CH=C(OH)C{H}_{2}C{H}_3$
4. All the above

Q. But-1-ene and But-2-ene exhibits _____________ isomerism.

1. position
2. metamerism
3. chain
4. functional group

Q. The given compounds are related as :

1. Functional isomers
2. Positional isomers
3. Chain isomers
4. They are not isomers

Q.

How many number of isomers are possible for a disubstituted Benzene?

Q. What is the correct relationship between the two molecules shown below?

1. There is no relationship.
2. They are positional isomers.
3. They are chain isomers.
4. They are functional group isomers.

Q. The total number of isomers of a disubstituted benzene compound is

1. 1
2. 2
3. 3
4. 4

Q. How many postional isomers are possible of a disubstituted benzene compound.

1. 1
2. 2
3. 3
4. 4

Q. How many minimum number of C-atoms are required in an alkene for it to show positional isomerism?

1. 4
2. 3
3. 2
4. 5

Q. Xylene shows postional isomerism.

1. True
2. False

Q. The compounds (a) and (b) are realted as:

1. Chain isomers
2. Position isomers
3. Functional isomers
4. All of the above

Q. An organic compound (A) $C_{10}{H}_{20}$ on reductive ozonolysis yields only $\text{2-methylbutanal}$. (A) is:

1. 
   
2. 
3. 
4. 

Q.

The type of isomerism exhibited by the compound with formula $C_4{H}_{10}O$ is

1. Chain and position

2. Functional and position

3. Metamerism

4. Chain, position, functional, and metamerism.

Q. The number of aromatic position isomers containing benzene ring with molecular formula $C_6{H}_6{O}_3$ are ........ and number of tertiary aromatic amine containing benzene with molecular formula $C_8{H}_{11}N$ are ........

1. 4 and 8
2. 3 and 1
3. 3 and 6
4. 4 and 10

Q. How many minimum number of C-atoms are required in an alkene for it to show positional isomerism?

1. 4
2. 3
3. 2
4. 5

Q. Select the correct option(s) about the products formed:

1. $P_1$ & $P_3$ are identical
2. $P_1$ & $P_2$ are positional isomers
3. $P_1$ & $P_3$ are enantiomers
4. $P_2$ & $P_3$ are positonal isomers

Q.
shows which type of isomerism?

1. Position isomers
2. Chain isomers
3. Functional isomers
4. Metamers

Q.

Which of the following is position and chain isomer of

:

1. $C{H}_3-\stackrel{O}{\stackrel{||}{C}}-\underset{C{H}_3}{\underset{|}{CH}}-CH3$

2. $C{H}_3-C{H}_2-C{H}_2-C{H}_2-CHO$

3. $C{H}_3-\stackrel{O}{\stackrel{||}{C}}-\stackrel{C{H}_3}{\stackrel{|}{CH}}-CH3$

4. $C{H}_3-C{H}_2-C-C{H}_2-C{H}_3$

Q.

Which of the following is position isomer of

:

1. 

2. 

3. 

4. None of these