Calcium carbide reacts with water to produce a gas which is used for ripening of fruits like bananas. The gas is a hydrocarbon containing a triple bond in it. The general molecular formula of the homologous series to which the gas belongs is :

C_{n} H_{2 n + 1} O H

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C_{n} H_{2 n + 2}

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C_{n} H_{2 n}

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C_{n} H_{2 n - 2}

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Solution

The correct option is D $C_{n} H_{2 n - 2}$
Calcium carbide reacts with water to produce acetylene gas( $C H \equiv C H$ ) which is an alkyne. Thus, the general formula of alkynes is; $C_{n} H_{2 n - 2}$ .

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Similar questions

Q. The general formula for alcohol series is

C_{n} H_{2 n + 1} O H

. Which is the formula for alcohol contains four carbon?

Q. Which of the following pairs of homologous series is represented by the general molecular formula

C_{n} H_{2 n - 2}

Q. The general formula for alcohol series is

C_{n} H_{2 n + 1} O H

. Which is the formula of the alcohol containing four carbon atoms?

Q. Fill in the blanks by choosing words from the given list of words:
addition, carbohydrates, C_nH_2n−2, C_nH_2n_{+ 2}, electrochemical, homologous, hydrocarbons, saturated, substitution, unsaturated.
The alkanes form a ....... series with the general formula .......... The alkanes are .........., which generally undergo ........... reactions.

(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 $C_{n} H_{2 n + 2}$

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Calcium carbide reacts with water to produce a gas which is used for ripening of fruits like bananas. The gas is a hydrocarbon containing a triple bond in it. The general molecular formula of the homologous series to which the gas belongs is :

The correct option is D CnH2n−2Calcium carbide reacts with water to produce acetylene gas(CH≡CH) which is an alkyne. Thus, the general formula of alkynes is; CnH2n−2.

The correct option is D $C_{n} H_{2 n - 2}$
Calcium carbide reacts with water to produce acetylene gas( $C H \equiv C H$ ) which is an alkyne. Thus, the general formula of alkynes is; $C_{n} H_{2 n - 2}$ .