Acetylene hydrocarbons are acidic because

Sigma electron density of C - H bond in acetylene is nearer a carbon which has

50 %

s-character

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Acetylene has only one hydrogen atom at each carbon atom

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Acetylene contains least number of hydrogen atoms among the possible hydrocarbons having two carbons

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Acetylene belongs to the class of alkynes with formula

C_{n} H_{2 n - 2}

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Solution

The correct option is A Sigma electron density of C - H bond in acetylene is nearer a carbon which has $50 %$ s-character
Acetylene hydrocarbons are acidic because Sigma electron density of C - H bond in acetylene is nearer a carbon which has $50 %$ s - character.

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Similar questions

Q. Assertion :Acetylene is 1-alkyne. Reason: Acetylene is unsaturated hydrocarbon with

C - C

triple bond and two hydrogen atoms. It is a linear symmetrical molecule with both triple bonded carbon atom as terminal atoms.

Q. Fill in the following blanks with suitable words :
(a) The form of carbon which is known as black lead is ___
(b) The form of carbon which is used as a lubricant at high temperature is ___
(c) Compounds of carbon with hydrogen alone are called ___
(d)

C_{n} H_{2 n}

is the general formula of ___ hydrocarbons.
(e) Hydrocarbons having the general formula

C_{n} H_{2 n - 2}

are called ___
(f) Ethene and ethyne are examples of ___ hydrocarbons.
(g) Ethyne has ___ carbon-hydrogen single bonds.
(h) Carbon compounds have usually ___ melting points and boiling points because they are ___ in nature.
(i) The property of carbon atoms to form long chains in compounds is called ___
(j) The general formula

C_{n} H_{2 n}

for cycloalkanes is the same as that of ___
(k) The IUPAC name of ethylene is ___
(l) The IUPAC name of acetylene is ___

Q. Fill in the following blanks with suitable words:
(a) The form of carbon which is known as black lead is ...........
(b) The form of carbon which is used as a lubricant at high temperature is .........
(c) Compounds of carbon with hydrogen alone are called ..........
(d) C_nH_2n is the general formula of .......... hydrocarbons.
(e) Hydrocarbons having the general formula C_nH_2n−2 are called ..........
(f) Ethene and ethyne are examples of ..... hydrocarbons.
(g) Ethyne has ......... carbon-hydrogen single bonds.
(h) Carbon compounds have usually ... melting points and boiling points because they are ...... in nature.
(i) The property of carbon atoms to form long chains in compounds is called ...........
(j) The general formula C_nH_2n for cycloalkanes is the same as that of ...........
(k) The IUPAC name of ethylene is .........
(l) The IUPAC name of acetylene is ............

Q. In a group of hydrocarbons, the ratio between the carbon and hydrogen atoms is

1 : 2

. These hydrocarbons belong to which class?

The hydrocarbon which is used for the artificial ripening of fruits has "x" carbon atoms. The main component of LPG is a hydrocarbon with "y" number of carbon atoms. Among the following hydrocarbons identify the alkyne which has "x + y" carbon atoms.

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Acetylene hydrocarbons are acidic because

The correct option is A Sigma electron density of C - H bond in acetylene is nearer a carbon which has 50% s-characterAcetylene hydrocarbons are acidic because Sigma electron density of C - H bond in acetylene is nearer a carbon which has 50% s - character.

The correct option is A Sigma electron density of C - H bond in acetylene is nearer a carbon which has $50 %$ s-character
Acetylene hydrocarbons are acidic because Sigma electron density of C - H bond in acetylene is nearer a carbon which has $50 %$ s - character.