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The transition metals are well known as having colored ions in salts, either when they are present as cations or as anions, and particluarly strong in ionic complexes. ( Not all but those with d electrons that can be excited and absorb visible light.) Most other ions are colorless.
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MOTASIM TAMARI
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What is the colour of an aqueous sodium bromide solution?
Colourless solution. most coloured solutions contain transition metal ions
What color is zinc nitrate gas?
Colourless, or slightly white
A colourless gas in trace amounts of air?
Helium is a light colourless gas that does not burn
What are some pungent volatile colorless liquids?
Ammonia is a pungent colorless liquid. Acetone is a colourless, pungent and volatile liquid. Benzene is a colourless, pungent and volatile liquid.Chloroform is a colourless, pungent and volatile liquid. Diethyl Ether is a colourless, pungent and volatile liquid. Hydrogen Cyanide is a colourless, pungent and volatile liquid. Toluene is a colourless, pungent and volatile liquid.See the Web Links to the left for more information about ammonia, acetone, benzene, chloroform, diethyl ether, hydrogen cyanide andtoluene.
What color is benzene?
Colourless
Why is water colourless and tasteless?
It is because water has no ions (only true for pure, distilled water).
What is the colour of an aqueous sodium bromide solution?
Colourless solution. most coloured solutions contain transition metal ions
How is colourless in German?
colourless is farbloss
Why is acid rain colourless?
Are acids colourless? Yes they are. So acid rain is colourless
Is helium a gas colourless?
yes. it is colourless
What color is zinc nitrate gas?
Colourless, or slightly white
Is oxgen colourless?
Oxygen is a gas, therefore it is colourless.
What colour change will occur when potassium manganate VII reacts with iron II sulphate?
Mn(7+) is reduced to Mn(2+) going from purple to colourless/pale pink. The Fe(2+) ions are oxidised to Fe(3+) ions to complete the redox reaction.
What color does anyhydrous copper sulphate turn when added to water?
Blue, because the copper cations become hydrated and the hydrated ions have a blue color.
What would happen when caesium chloride is added with water?
It dissolves and therefore appears colourless because the positively charged ions, (Cs+) will be attracted to the negatively charged oxygen atoms in water, and the negatively charged ions (Cl-) will be attracted to the slightly positive hydrogen atoms in water.
Why no use indicator in the standardizing potassium permanganate titration?
Usually there is no indicator needed in potassium permanganate titrations as there will be an excess of manganate ions in the conical flask, turning the solution from colourless to pale pink.
What is the colour of helium at room temperature?
Colourless. (Does not have a colour/ invisible).
