Structural Isomerism

Q. Compounds that have the same molecular formula but different chemical structures are called isomers.

1. True
2. False

Q.

What is the difference between optical isomerism and geometrical isomerism?

Q. Why the chemical formula for glucose is C6H12O6 and not CH2O

Q.

Let R and S be two relations on set A. Then

1. $R,S$ are transitive then $R\cup S$ is also transitive

2. $R,S$ are transitive then $R\cap S$ is also transitive

3. $R,S$ are reflexive then $R\cap S$ is also reflexive

4. $R,S$ are symmetric then $R\cup S$ is also symmetric
   

5. B, C, D are correct

Q.

What is the IUPAC name of ${\mathrm{Fe}}_4{\left[(\mathrm{Fe}{\left(\mathrm{CN}\right)}_6\right]}_3$?

Q. Compounds with identical molecular formula but different structures are called structural isomers.

1. True
2. False

Q.

What is the structured formula of o-cresol?

Q.

The difference in the formula and molecular masses of CH₃OH and C₂H₅OH is:

1. CH₃ and 16u

2. CH₄ and 18u

3. CH₃ and 16u

4. CH₂ and 14u

Q.

What is the coordination number of Sodium in Sodium Oxide?

Q.

$\left[\mathrm{Pt}{\left({\mathrm{NH}}_3\right)}_4{\mathrm{Cl}}_2\right]{\mathrm{Br}}_2$ and $\left[\mathrm{Pt}{\left({\mathrm{NH}}_3\right)}_4{\mathrm{Br}}_2\right]{\mathrm{Cl}}_2$ is a type of

Q. Write the molecular formulae of the third and fifth members of homologous series represented by the general formula C_nH_2n−2.

Q.

Which of the following are peroxoacids of sulfur?

1. ${\mathrm{H}}_2{\mathrm{SO}}_5$ and ${\mathrm{H}}_2{\mathrm{S}}_2{\mathrm{O}}_8$

2. ${\mathrm{H}}_2{\mathrm{SO}}_5$ and ${\mathrm{H}}_2{\mathrm{S}}_2{\mathrm{O}}_7$

3. ${\mathrm{H}}_2{\mathrm{S}}_2{\mathrm{O}}_7$ and ${\mathrm{H}}_2{\mathrm{S}}_2{\mathrm{O}}_8$

4. ${\mathrm{H}}_2{\mathrm{S}}_2{\mathrm{O}}_6$ and ${\mathrm{H}}_2{\mathrm{S}}_2{\mathrm{O}}_7$

Q. Write IUPAC names of the compounds of alkane, alkene and alkyne, containing 3 carbons.

Q. Draw structural formula for each of these compounds: [2 MARKS]
a) acetone
b) diethyl ether

Q. How many monochloriderivative and dichloroderivative of inorganic benzene is possible ?

Q. 12. Which of the following Alkanes can be easily sulphonated? (a) n-Butane (b) Isobutane (c) n-Pentane (d) n-Hexane

Q. Which among the following are structural isomers to each other?

1. 
2. 
3. 
4. 

Q.

Identify the greater number in each of the following: $2^{10}$ or ${10}^2$

Q.

The molecular formula for 2, 4-dimethylhexane is _____.

1. $C_6{H}_{10}$
2. $C_8{H}_{18}$
3. $C_6{H}_{14}$
4. $C_6{H}_{12}$

Q. Which organic compound among the following is not an isomer of $C{H}_3-CO-C{H}_{2}C{H}_{2}C{H}_{2}C{H}_3$?

1. $C{H}_{3}C{H}_{2}OCH=CHC{H}_{2}C{H}_3$
2. $C{H}_{3}CH=CHC{H}_{2}C{H}_{2}CHO$
3. $(C{H}_3{)}_{2}CHCOC{H}_{2}C{H}_3$
4. $C{H}_{3}C{H}_{2}COC{H}_{2}C{H}_{2}C{H}_3$

Q. The ionization isomer of $\left[Cr\right(H_{2}O{)}_{4}Cl\left(N{O}_2\right)]Cl$ is :

1. $\left[Cr\right(H_{2}O{)}_4\left(O_{2}N\right)]C{l}_2$
2. $\left[Cr\right(H_{2}O{)}_{4}C{l}_2\left]\right(N{O}_2)$
3. $\left[Cr\right(H_{2}O{)}_{4}Cl\left(ONO\right)]Cl$
4. $\left[Cr\right(H_{2}O{)}_{4}C{l}_2\left(N{O}_2\right)]H_{2}O$

Q.

Answers in detail.

What is chemical formula? Enlist its significance

Q. Write IUPAC names of the compounds of alkane, alkene and alkyne, containing 3 carbons.

Q. An octahedral complex with molecular composition $M.5N{H}_3.Cl.S{O}_4$ has two isomers, $A$ and $B$. The solution of $A$ gives a white precipitate with $AgN{O}_3$ solution and the solution of $B$ gives white precipitate with $BaC{l}_2$ solution. The type of isomerism exhibited by the complex is:

1. linkage isomerism
2. geometrical isomerism
3. coordinate isomerism
4. ionisation isomerism

Q.

Which of the following is not correct for isomers?

1. Same molecular formula

2. Different Properties

3. Different molecular weight

4. None of these.

Q. Which of the following are correct structural isomers of butane?

1. (i) and (ii)
2. (i) and (iii)
3. (ii) and (iv)
4. (iii) and (iv)

Q.

Which of the following is not correct for isomers?

1. Same molecular formula

2. Different molecular weight

3. Different Properties

4. None of these.

Q. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> What are functional isomers?

Q. The maximum number of isomers possible for pentane is.

1. four
2. three
3. two

Q. Which of the statements are correct for alkyne with molecular formula $C_6{H}_{10}$ ?

1. It shows 7 structural isomers.
2. It shows 4 terminal and 3 internal alkynes.
3. It shows 3 terminal and 4 internal alkynes.
4. Only one isomer is chiral.