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Ethene has a very reactive double bond, and if mixed with bromine in organic solvent, it will undergo an addition reaction, where the two bromine atoms will adjoin onto the ethane molecule (because the double bond has broken, it now becomes an alkane (ethane) - more specifically it will form 1,2 - dibromoethane.
C2H4 (g) + Br2 (tetrachloromethane) -------------------> CH2Br-CH2Br (aq)
However, when bromine is dissolved in water instead, HOBr(aq) will be formed, subsequently the reaction becomes:
C2H4 (g) + HOBr (aq) -------------------> HO-CH2-CH2Br (aq)
Still, the brownish - reddish colour of the bromine water will decolourise.
This is a useful way of distinguishing between alkanes and alkenes of similar molecular weights.
***RS**
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What type of reaction is it when methane reacts with bromine?
The reaction between methane and bromine is a substitution reaction, specifically a halogenation reaction. In this reaction, one or more hydrogen atoms in methane are replaced by bromine atoms to form bromomethane.
What alkane is formed when ethene reacts with hydrogen?
addition reactions. I was looking up the same question and found it!!!
What type of the reaction is cl2 2kbr2kcl br2?
This is a single displacement reaction, also known as a single replacement reaction. In this reaction, chlorine (Cl2) displaces bromine (Br2) from potassium bromide (KBr) to form potassium chloride (KCl) and elemental bromine (Br2).
Why is the reason of ethene with bromine called an addition reaction?
The reaction of ethene with bromine is called an addition reaction because the bromine atoms add across the double bond of ethene to form a single product molecule. The double bond in ethene breaks and new single bonds are formed with bromine, resulting in an overall increase in the number of atoms in the product compared to the reactants. This type of reaction is characteristic of addition reactions where atoms or groups are added to a double or triple bond.
Why type of reaction takes place when fluorine reacts with sodium bromide?
The reaction belongs to a class called "single displacement" reactions. In this particular reaction, fluorine replaces the less electronegative bromine in the salt to produce free bromine and sodium fluoride according to the chemical equation: 2 NaBr + F2 -> 2 NaF + Br2.
What type of reaction is it when methane reacts with bromine?
The reaction between methane and bromine is a substitution reaction, specifically a halogenation reaction. In this reaction, one or more hydrogen atoms in methane are replaced by bromine atoms to form bromomethane.
What type of reaction is Cyclohexene and Bromine?
Electrophilic addition. Forms 1,2,-dibromocyclohexane
What alkane is formed when ethene reacts with hydrogen?
addition reactions. I was looking up the same question and found it!!!
What is the reaction type bromine and aqueous strontium iodide?
The reaction between bromine and aqueous strontium iodide is a double displacement reaction. Bromine replaces iodide in strontium iodide, forming strontium bromide and iodine. The balanced chemical equation is: Br2 + SrI2 --> SrBr2 + I2.
Which type of reaction occurs when bromine and lithium iodide react to form lithium bromide and iodine?
The reaction is a single replacement reaction, also known as a displacement reaction. In this reaction, bromine replaces iodine in lithium iodide to form lithium bromide and free iodine.
What type of reaction occurs between hex-1-ene and aqueous bromine?
Hex-1-ene reacts with aqueous bromine in an addition reaction to form 1,2-dibromohexane. During the reaction, bromine adds across the double bond of hex-1-ene to give a product with two bromine atoms on adjacent carbons.
What type of the reaction is cl2 2kbr2kcl br2?
This is a single displacement reaction, also known as a single replacement reaction. In this reaction, chlorine (Cl2) displaces bromine (Br2) from potassium bromide (KBr) to form potassium chloride (KCl) and elemental bromine (Br2).
What type of reaction is CH4 plus 2O2 - CO2 plus 2H2O plus 218 kcal?
this is an exotermic reaction
What type of chemical reaction is this equation Al plus CuCl-- Cu plus AlCl?
Displacement reaction
What type of reaction is N2H4 plus 3O2 equals 2NO2 plus 2H2O?
This is an oxidation-reduction reaction.
What type of reaction has the general form AX plus BY -- AY plus BX?
A double replacement reaction.
What is the name of the reaction taking place when limonene reacts with bromine water?
That seems to be known most commonly as the bromine test for unsaturated bonds. Historically the reaction may have been most commonly associated with Parker McIlhiney who developed means for performing assays based on it.
