Write the molecular formula of the $2^{n d}$ and $3^{r d}$ number of the homologous series whose first member is ethene.

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Solution

Ethene is a member of alkene series. Alkenes are the group of compounds having double bond. The general formula of alkene is $C_{n} H_{2 n}$ . The second and third member have the formula $C_{3} H_{6}$ and $C_{4} H_{8}$ .

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Q. Write the molecular formula for the

2^{n d}

and

3^{r d}

member of the homologous series whose first member is ethene.

Q. Write the molecular formula of the

2^{nd}

and

3^{rd}

member of the homologous series where the first member is ethyne.

Write the molecular formula of the $2^{n} d$ and $3 n d$ member of the homologous series whose first member is methane.

(a) Give the general name of the class of compounds having the general formula $C_{n} H_{2 n - 2} .$ Write the name of the first member of this homologous series.
(b) The general formula of a homologous series of carbon compounds is $C_{n} H_{2 n} .$ Write the molecular formulae of the second and fourth members of the series.
(c) Write the molecular formulae of the third and fifth members of homologous series of carbon compounds represented by the general formula $C_{n} H_{2 n + 2}$

Write the name and formula of the 2nd member of homologous series having general formula C_nH_2n.

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Write the molecular formula of the 2nd and 3rd number of the homologous series whose first member is ethene.

Ethene is a member of alkene series. Alkenes are the group of compounds having double bond. The general formula of alkene is CnH2n. The second and third member have the formula C3H6 and C4H8.

Write the molecular formula of the $2^{n d}$ and $3^{r d}$ number of the homologous series whose first member is ethene.

Ethene is a member of alkene series. Alkenes are the group of compounds having double bond. The general formula of alkene is $C_{n} H_{2 n}$ . The second and third member have the formula $C_{3} H_{6}$ and $C_{4} H_{8}$ .