Structural Isomers

Q. The number of structural isomers of
$C_6{H}_{14}$ is:

1. 5

Q.

Name the nine isomers of heptane?

Q.

Name the 5 different structural isomers of hexane.

Q.

Name all the isomers of octane ${\mathrm{C}}_8{\mathrm{H}}_{18}$

Q.

Draw the structures of isomers of butene and write their IUPAC names.

Q.

How many atoms are present in ${\mathrm{H}}_2{\mathrm{SO}}_4$?

Q.

A functional isomer of ethanol is

1. Methanol

2. Diethyl ether

3. Ethanal

4. Dimethyl ether

Q.

Write the structural formula for Butanal.

Q.

The number of isomers formed by the hydrocarbon with molecular formular $C_5{H}_{12}$ is :
(a) 2 (b) 5 (c) 3 (d) 4

Q.

The hydrocarbon 2-methyl butane is an isomer of :
(a) n-pentane (b) n-butane (c) propane (d) iso-butane

Q. N-factor of Fe0.95O when it converts into Fe2O3 1)0.9 2) 0.85 3)2/0.954 4)1.8

Q.

Which of the following cannot exhibit isomerism ?
(a) $C_4{H}_{10}$ (b) $C_5{H}_{12}$ (c) $C_3{H}_8$ (d) $C_6{H}_{14}$

Q. how we can know how many isomers will be there of a carbon compound?

Q. Write all the possible isomers of alkane having 7 carbon atoms and write their IUPAC names.

Q.

Write the names of any two isomers represented by the molecular formula $C_5{H}_{12}.$

Q. Please give me a rules of IUPAC for 10th standard. Give fast it's so important.

Q.

In which of the following cases is the empirical formula the same as the molecular formula?

1. C₁₂H₂₂O₁₁

2. C₆H₆

3. C₃H₅COOH

4. C₆H₁₂O₆

Q. Which of the given options is an example of ring chain isomerism?

1. 2-methyl pentane and 3-methyl pentane
2. Ethanal and ethanol
3. Cyclopentane and methylcyclobutane
4. Cyclopentane and pentane

Q. 1- propanol and 2- propanol are _________ isomers.

1. functional
2. positional
3. chain
4. stereo

Q.

An organic compound having the molecular formula $C_3{H}_{6}O$ can exist in the form of two isomers A and B having different functional groups. The isomer A is a liquid which is used as a solvent for nail polish. The isomer B is also a liquid. An aqueous solution of one of the lower homologues of B is used for preserving biological specimens in the laboratory
(a) What is compound A?
(b) Write the electron-dot structure of A.
(c) What is compound B?
(d) Write the electron-dot structure of B.
(e) Name the lower homologue of compound B which is used in preserving biological specimens.

Q.

Isomers have same molecular formula but different .............. formula.

1. Structural

2. Molecular

3. Electronic

4. Carbon

Q.

Default tab stop position is_________?

Q. Question 5
Which of the following are correct structural isomers of butane?
(i)

(ii)

(iii)

(iv)

(a) (i) and (iii)
(b) (ii) and (iv)
(c) (i) and (ii)
(d) (iii) and (iv)

Q. The total number of chain isomer(s) of hexane is

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

Q.

How many chain isomers are possible for organic compound having molecular formula C₄H₈?

1. 2

2. 5

3. 6

4. 7

Q.

The compounds with same molecular formula but different structural formula are known as:

1. Isomers

2. Allotropes

3. Isotopes

4. Isobars

Q.

(a) Explain the term 'isomers'. Give one example of isomers.
(b) Write (i) structural formula, and (ii) electron-dot structure, of any one isomer of n-heptane ($C_7{H}_{16}$).
(c) Write IUPAC name of the compound having the formula $n-C_4{H}_{10}$.
(d) Give the IUPAC names for the following :

Q.

The organic compounds which are isomeric with one another are :
(a) alcohols and aldehydes (b) aldehydes and carboxylic acids
(c) ketones and aldehydes (d) alcohols and ketones

Q.

Write the chemical formula of simplest ketone.

Q.

What do you call the compounds having the same molecular formula but different structural arrangements of atoms?