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Answer. when bromide is added to chloroform then bromine chloride is formed. when bromide is added to hydrocloric acid it gives bromide chloride and hydrogen gas. Hi…08-May-2019
What happens to the colour of a bromine solution in chloroform when it reacts with an alkene?
Alkenes react in the cold with pure liquid bromine, or with a solution of bromine in an organic solvent like tetrachloromethane. The double bond breaks, and a bromine atom becomes attached to each carbon. The bromine loses its original red-brown color to give a colorless liquid.
Is bromine soluble in chloroform?
Water: Bromine is denser than water, but dissolves slightly in water and colours it brown….BASIC CHEMICAL AND PHYSICAL DATA.
| Empirical formula: | Br2 |
|---|---|
| Solvolysis/solubility: | soluble in benzene, gasoline, chloroform, ethanol, ether and hydrogen sulphide |
| Conversion factors: | 1 mg/m3 = 0.150 ml/m3 |
| 1 ml/m3 = 6.658 mg/m3 |
Why does bromine lose its color?
UV light splits the bromine molecule into two reactive radicals, resulting in a very slow loss of amber bromine color. The radical bromine atoms can then go on to react with other species in solution (including each other) in a chain reaction.
What is the color of bromine?
Bromine is a naturally occurring element that is a liquid at room temperature. It has a brownish-red color with a bleach-like odor, and it dissolves in water.
Does bromine react with chloroform?
Answer. when bromide is added to chloroform then bromine chloride is formed. when bromide is added to hydrocloric acid it gives bromide chloride and hydrogen gas.
What happens to the colour of bromine when alkene is added?
Bromine water is an orange solution of bromine. It becomes colourless when it is shaken with an alkene. Alkenes can decolourise bromine water, but alkanes cannot.
How does bromine decompose?
Bromine in1 aqueous solution is rapidly decomposed when in contact with charcoal: 2 Br, -t- 2 H;O-*+ 4 H Br + 0,. 2. The determinatiion of the adsorption isotherm of bromine from aqueous solutions by charcoal according to the general procedure lieads to erronieous resultts, due to the diecomposition of the bromine.
How does bromine react when dissolved in water?
Bromine reacts with water to produce hypobromite, OBr-. The pH of the solution determines the position of the equilibrium. Bromine is not reactive towards oxygen or nitrogen but it will react ozone at -78°C to form the unstable compound bromine(IV) oxide.
How do alkanes react with bromine?
Alkanes undergo a substitution reaction with halogens in the presence of light. For instance, in ultraviolet light , methane reacts with halogen molecules such as chlorine and bromine. This reaction is a substitution reaction because one of the hydrogen atoms from the methane is replaced by a bromine atom.
