What is Alkyne ?

What is Alkyne ?
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Answer :

Hydrocarbons that have at least one carbon-carbon double bond ( > C = C <) are called alkynes.
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Related questions

What is Alkyne ?

Description : What is Alkyne ?

Last Answer : Alkynes are unsaturated hydrocarbons with carbon-carbon binding. Its common signal is CnH2n . Such as ethin ( C2H5), propane ( C3H6) .

What is Alkyne ?

Description : What is Alkyne ?

Last Answer : Unsaturated hydrocarbons with carbon-carbon triple bonds are called alkynes. Its common signal is CnH2n-2 . Such as ethane ( CH CH) .

What are the common signs of alkyne ?

Description : What are the common signs of alkyne ?

Last Answer : The most common sign of alkyne is CnH2n-2, where n is a positive integer and n ≠ 0 .

What are the common signs of alkyne ?

Description : What are the common signs of alkyne ?

Last Answer : : The most common sign of an alkyne is CnH2n, where n is a positive integer.

What is marginal alkyne ?

Description : What is marginal alkyne ?

Last Answer : Alkynes that have only one hydrogen attached to their carbon atoms are called marginal alkynes. Examples: ethane , propane.

What is Alkyne or Olefins ?

Description : What is Alkyne or Olefins ?

Last Answer : Hydrocarbons that have two carbon atoms joined together by a double bond in a carbon chain are called alkynes or olefins.

How is alkyne prepared ?

Description : How is alkyne prepared ?

Last Answer : Preparation of Alkyne: From Ethyl Chloride: Ethylene , sodium chloride and water are produced by heating aqueous solution of sodium hydroxide with ethyl chloride. CH3-CH2Cl + NaOH -> CH2 = CH2 + NaCl + ... heating extra concentrated sulfuric acid with ethanol. CH3-CH2-OH -> H2SO4-> CH2 = CH2 + H2O

How is alkyne prepared ?

Description : How is alkyne prepared ?

Last Answer : Preparation of alkyne: From calcium carbide: Adding water to calcium carbide produces ethane and calcium hydroxide. CaC2 + 2H20 -> CH = _CH + Ca (OH) 2

Alken , Alkyne , Alkyne What ?

Last Answer : Alken : Saturated Of hydrocarbons Carbon In chains Carbon Atoms Single Covalent In bondage Bound Stays And Of carbon The rest Connectivity By Full Yes , to them Alken To say Is 3 Alkin : ... Added Unsaturated To hydrocarbons Alkin Says. Alkyne : Tri - bonded Unsaturated To hydrocarbons Alkyne Says.

Which alkyne yields propanoic acid as the only product upon treatment with ozone followed by hydrolysis? (a) 1-Butyne (b) 2-Hexyne (c) 1-Pentyne (d) 3-Hexyne

Description : Which alkyne yields propanoic acid as the only product upon treatment with ozone followed by hydrolysis? (a) 1-Butyne (b) 2-Hexyne (c) 1-Pentyne (d) 3-Hexyne

Last Answer : 3-Hexyne

The higher reactivity of an alkene or alkyne, as compared to an alkane, is due to (a) sigma bonds (b) pi bonds (c) hydrogen bonds (d) None of these

Description : The higher reactivity of an alkene or alkyne, as compared to an alkane, is due to (a) sigma bonds (b) pi bonds (c) hydrogen bonds (d) None of these

Last Answer : pi bonds

Which of the following statements correctly describes the general reactivity of alkynes? (a) An alkyne is an electron-rich molecule and therefore reacts as a nucleophile. (b) The σ bonds of alkynes are higher in energy than the bonds and are thus more reactive. (c) Unlike alkenes, alkynes fail to undergo electrophilic addition reactions. (d) Alkynes are generally more reactive than alkenes.

Description : Which of the following statements correctly describes the general reactivity of alkynes? (a) An alkyne is an electron-rich molecule and therefore reacts as a nucleophile. (b) The σ bonds ... fail to undergo electrophilic addition reactions. (d) Alkynes are generally more reactive than alkenes.

Last Answer : Alkynes are generally more reactive than alkenes.

Which of the following improperly describes the physical properties of an alkyne? (a) relatively nonpolar (b) nearly insoluble in water (c) less dense than water (d) insoluble in most organic solvents

Description : Which of the following improperly describes the physical properties of an alkyne? (a) relatively nonpolar (b) nearly insoluble in water (c) less dense than water (d) insoluble in most organic solvents

Last Answer : insoluble in most organic solvents

A compound reacts with steam in the presence of concentrated H2SO4 to give isopropyl alcohol. The compound could be (a) Alkane (b) Alkyne (c) Alkene (d) Allene

Description : A compound reacts with steam in the presence of concentrated H2SO4 to give isopropyl alcohol. The compound could be (a) Alkane (b) Alkyne (c) Alkene (d) Allene

Last Answer : Alkene

What is the name given to a compound containing only carbons and hydrogens and having the maximum number of hydrogens in the molecule? (a) alkene (b) unsaturated hydrocarbon (c) saturated hydrocarbon (d) alkyne

Description : What is the name given to a compound containing only carbons and hydrogens and having the maximum number of hydrogens in the molecule? (a) alkene (b) unsaturated hydrocarbon (c) saturated hydrocarbon (d) alkyne

Last Answer : saturated hydrocarbon

Quartenry ammonium salt after Hofmann elimination gives--- a. Alcohol b. Alkene c. Alkyne d. Ammmonia

Description : Quartenry ammonium salt after Hofmann elimination gives--- a. Alcohol b. Alkene c. Alkyne d. Ammmonia

Last Answer : b. Alkene

Which of the following organic compounds is known as a saturated chain hydrocarbon ? w) an aromatic compound x) an alkene y) an alkyne z) an alkane

Description : Which of the following organic compounds is known as a saturated chain hydrocarbon ? w) an aromatic compound x) an alkene y) an alkyne z) an alkane

Last Answer : ANSWER: Z -- AN ALKANE

Cyclohexanone is an example of: w) an aldehyde x) a carboxylic acid y) an alkyne z) a ketone

Description : Cyclohexanone is an example of: w) an aldehyde x) a carboxylic acid y) an alkyne z) a ketone

Last Answer : ANSWER: Z -- A KETONE 

CONDENSED STRUCTURE OF THE FOLLOWING1. 5,5 – diethyl – 3,3 – dimethyl – 1 - octyne2. 2,4,4,6 – tetraethyl – 3,3 – nondiene3. 1,1,4,4 – tetramethylheptaneIDENTIFY IF ITS ALKANE ALKYNE ALKENE?

Description : CONDENSED STRUCTURE OF THE FOLLOWING1. 5,5 – diethyl – 3,3 – dimethyl – 1 - octyne2. 2,4,4,6 – tetraethyl – 3,3 – nondiene3. 1,1,4,4 – tetramethylheptaneIDENTIFY IF ITS ALKANE ALKYNE ALKENE?

Last Answer : ℤ.

The first member of the alkyne series is

Description : The first member of the alkyne series is

Last Answer : Ethyne.