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Answered 2012-11-03 11:50:18

Unsaturated hydrocarbons such as alkenes and alkynes will decolourize bromine water.

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it decolourizes it (turns from orange brown to colourless)

No!! Benzene wont de colourise bromine water although it is an unsaturated compound ,as it is an aromatic compound and it does not undergo addition reaction.

Bromine reacts with the double / triple bonds giving typically a colourless compound. the bromine water therefore fades as the bromine reacts.

It will turn colorless because bromine is an unsaturated compound and unsaturated compound have double bonds

by adding bromine water to the compound. if it is unsaturated, the red colour of the bromine water will fade quickly. if it is saturated, then it will not fade.

Bromine (molecular Br2) is an covalent compound

bromine water is oxidising in nature. it removes the double bonds and attaches itself to the alkene.

No, bromine is an element.

Bromine is pure liquid bromine Bromine Water is bromine mixed with water

Liquid bromine is the Real Bromine, while Bromine water is a mixture of Bromine and Water

Fluorine, and Chlorine can displace bromine from a compound.

Neither, bromine is an element.

Bromine is an element.Methanal is an aldehyde,an organic compound.

When calcium and bromine combine, they form the ionic compound calcium bromide, CaBr2.

Potassium and Bromine react to form the ionic compound Potassium bromide which disassociates in water into K+ and Br- ions.

No. As they are both nonmetals carbon and bromine will form a covalent compound.

One has water in it (bromine water) and the other is just pure bromine.

Zinc plus bromine makes a simple compound its zinc bromine

You will see Aqueous Bromine or Bromine water

No, it is the element bromine.

The compound is Bromine chloride

Silver compounds are mostly insoluble (except silver nitrate of course) so you can safely assume that the precipitate you obtained was a silver compound and knowing silver bromide forms a yellow precipitate, it is a good bet to guess there is bromide ions (note ions not bromine) present. your compound is likely a bromide salt rather than bromine water or pure bromine (i'm assuming this is a high school lab report). but if your test compound was fuming reddish brown fumes then it is probably bromine water

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