(a) Give the name and structural formula of one member each of the following:
(i) alkane
(ii) alkene
(iii) alkyne
(iv) cycloalkane
(b) Give the common name of (i) ethyne, and (ii) ethene.
(c) Write the molecular formula and structure of benzene.

Open in App

Solution

(a) (i) Methane is an alkane with the molecular formula CH₄.
Structural formula is:

(ii) Ethene is an alkene with the molecular formula C₂H₄.
Structural formula is :

(iii) Ethyne is an alkyne with the molecular formula C₂H₂.
Structural formula is :

(iv) Cyclohexane is a cycloalkane with the molecular formula C₆H₁₂.
Structural formula is:

(b) Common name of
(i) Ethyne is acetylene
(ii) Ethene is ethylene

(c) The molecular formula of benzene is C₆H₆.
Its structural formula is :

Suggest Corrections

Similar questions

(a) Give the general formula of (i) Alkene (ii) Alkane (iii) Alkynes

(b) Write the structural formula of propyne & 2,3 dimethylpentane.

Write the molecular formula of (i) an alkane (ii) an alkene, and (iii) an alkyne, each having 20 carbon atoms.

Q. (a) Write three properties of homologous series.
(b) Identify alkene and alkyne from the following.
(i)

C_{2} H_{6}

(ii)

C_{3} H_{4}

(iii)

C_{3} H_{6}

(iv)

C_{3} H_{8}

.
(c) Draw electron dot structure of ethene.

(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. (a) Write the IUPAC name and structural formula of secondary-Butyl alcohol.
(b) Give equations for preparation of phenol from the following compounds:
(i) Benzene
(ii) Aniline.
(c) Write the resonance structures of phenol.

Join BYJU'S Learning Program

(a) Give the name and structural formula of one member each of the following: (i) alkane (ii) alkene (iii) alkyne (iv) cycloalkane (b) Give the common name of (i) ethyne, and (ii) ethene. (c) Write the molecular formula and structure of benzene.

(a) Give the name and structural formula of one member each of the following:
(i) alkane
(ii) alkene
(iii) alkyne
(iv) cycloalkane
(b) Give the common name of (i) ethyne, and (ii) ethene.
(c) Write the molecular formula and structure of benzene.