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โˆ™ 2014-11-21 12:05:46
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To name a monatomic anion change the suffix of the element's name to

The electron geometry of a water molecule is even though the molecular geometry is bent

Is Dihydrogen monoxide an example of a nonpolar molecule

The number of pairs of electrons in a covalent bond equals the bond order

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Q: How much ethene is needed to decolourise bromine water?
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Would ethane decolorise bromine water?

Actually no...ethane ( Alkane class in general ) decolourise bromine water due to the absence of the double bond ( C=C ) ethene (alkenes in general ) will decolourise the bromine water..

What alkene decolourises bromine water?

All alkenes decolourise bromine water.

Why benzene does not decolourise bromine water?

Benzene will not decolourise bromine water as it does not undergo addition reaction. It is highly saturated due to presence electron cloud above and below it.

Why does alkyne decolourise bromine water?

The alkyne reacts with bromine removing it from the aqueous solution.

Do Alkene decolourise bromine water?

Yes they do that. They are reacting together.

Chemical reaction between phenol and bromine water?

it cant decolourise

Does ethene change from orange to colourless when it reacts with bromine water?

The ethene doesnt change from orange to colourless as ethene is already colourless but the bromine water turns from orange to colourless.

What is observed when bromine water is added to ethene?

The ethene reacts with the bromine and the solution turns colourless (from its original orange colour).

Why does bromine water decolourise with SO2?

It's because, bromine water, being a good oxidising agent oxidises SO2 to H2SO4.

What simple chemical test will distinguish an alkene from an alkane?

Test both in bromine water. The unsaturated alkene will decolourise the bromine water.

What test is used to distinguish between ethene and methane?

Ethene is an unsaturated substance since it is alkene and has one double bond, we can use bromine water to test ethene. Yellow bromine water turns colourless if the substance is ethene. If it is methane which is alkane ( not alkene ), bromine will stay yellow.

Does cycloalkene decolourise bromine water?

Yes, just like the open chain alkenes.

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