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One True Colour Unit (TCU) is the colour produced by

  • a)
    one mg of formazin in one litre of distilled water

  • b)
    one mg of silicon in one litre of distilled water

  • c)
    one mg of ferric silicon in one litre of distilled water

  • d)
    one mg of platinum as chloroplatinate ions in one litre of distilled water

Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
One True Colour Unit (TCU) is the colour produced bya)one mg of formaz...
Explanation:

One True Colour Unit (TCU) is a unit used to measure the color produced in a solution by a particular substance. In this case, the TCU is determined by the concentration of platinum as chloroplatinate ions in one liter of distilled water.

a) One mg of formazin in one litre of distilled water:
Formazin is a synthetic polymer that is commonly used as a standard for turbidity measurements. It is not directly related to color measurement. Therefore, the TCU value for formazin is not applicable.

b) One mg of silicon in one litre of distilled water:
Silicon is a chemical element that does not produce color in a solution. Therefore, the TCU value for silicon is not applicable.

c) One mg of ferric silicon in one litre of distilled water:
Ferric silicon is an alloy of iron and silicon. It does not produce color in a solution. Therefore, the TCU value for ferric silicon is not applicable.

d) One mg of platinum as chloroplatinate ions in one litre of distilled water:
Platinum as chloroplatinate ions is a chemical compound that produces a specific color in a solution. The TCU value is determined by the concentration of platinum as chloroplatinate ions in one liter of distilled water. This means that if one mg of platinum as chloroplatinate ions is dissolved in one liter of distilled water, the resulting color in the solution would be defined as one TCU.

Therefore, the correct answer is option 'D' - one mg of platinum as chloroplatinate ions in one liter of distilled water.
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Community Answer
One True Colour Unit (TCU) is the colour produced bya)one mg of formaz...
The correct option is D 1 mg/L platinum in form of chloroplatinate ion
TCU is the colour unit and represented by colour produced by 1 mg/L of platinum in the form of chloroplatinate ion dissolved in 1 L of distilled water.
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One True Colour Unit (TCU) is the colour produced bya)one mg of formazin in one litre of distilled waterb)one mg of silicon in one litre of distilled waterc)one mg of ferric silicon in one litre of distilled waterd)one mg of platinum as chloroplatinate ions in one litre of distilled waterCorrect answer is option 'D'. Can you explain this answer?
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