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Elements and Compounds

What is the colour of iodine?


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Answered 2009-11-08 09:25:24

the colour of Iodine is grey.

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Why does iodine change its colour?

Iodine changes color when I contact with starch


Colour of iodine solid?

The color of solid iodine is a dark purple.


What is the product of the reaction between starch and iodine?

There is a dark blue colour when iodine is added to starch instead of a yellow sort of colour when iodine is added to a substance without starch.


What colour is iodine gas?

purple.


What colour is gaseous iodine?

Violet / Purple


What colour is iodine vapor?

Probably purple.


What does stand l for on the periodic table?

I stands for iodine. Iodine is a halogen. It is grey in colour.


Why does starch turn blue with iodine?

The iodine clock reaction is based around the colour change that occurs when iodine reacts with starch, turning from a clear colour to a black-blue colour." (2) The starch allows the iodine and the iodide ions to bond, forming a triodide ion. I2(aq) + I−(aq) ⇌ I3−(aq) In this reaction, iodide is viewed as a base, and iodine is viewed as an acid. The iodine is a ligand and is surrounded by the starch, as for the colour change, that is due to the iodine absorbing all light wavelengths corresponding to colours, hence not letting any through, so what you are seeing when the solution is black, is the absence of light and colour alltogether,


What colour is iodine when dissolved in water?

Iodine becomes purplish blue while mixed with water.


When poured iodine on leaf why it changes?

give reasons for the colour change of the leaf when iodine is added to it?


Why is rice brown in colour when iodine solution is put on it?

cause iodine(brown) stains the rice


What happens when iodine is added to carrot?

The colour of the iodine will turn from yellowish brown to dark blue


Why does iodine turn starch into a blue-black color?

the iodine does not turn the starch black."The iodine clock reaction is based around the colour change that occurs when iodine reacts with starch, turning from a clear colour to a black-blue colour." (2) The starch allows the iodine and the iodide ions to bond, forming a triodide ion.I2(aq) + I−(aq) ⇌ I3−(aq)In this reaction, iodide is viewed as a base, and iodine is viewed as an acid.The iodine is a ligand and is surrounded by the starch,as for the colour change, that is due to the iodine absorbing all light wavelengths corresponding to colours, hence not letting any through, so what you are seeing when the solution is black, is the absence of light and colour alltogether,hope that helps


What colour is iodine at room temperature?

it is violet and lustrous


What colour shows the cellulose with iodine?

deep purple


Iodine turns what colour when its positive for starch?

Brownish.


What is the correct colour for iodine gas?

Purple !! :) x


What colour is an iodine solution?

Brown/Orange/Yellowy


What colour does bleach and iodine turn to?

Only you know the answer... :)


What substance is yellow-brown in colour?

Iodine


What colour is starch when you add iodine?

Blue-Black


Why does iodine turn color?

The colour of iodine molecule I2 is due to n-> sigma anti bonding electronic transition. It changes its colour when it is adsorbed on starch or reduced to I-


What color gives if starch reacts with iodine?

When iodine reacts with starch, the solution will turn a brownish colour.


What does iodine do to popcorn?

It turns the iodine colour from brown to blue-black? This is because popcorn contains starch.


Why is the iodine vapour in violet colour?

because the molecules of iodine absorbs red and violet radiations and then emit them


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