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How do you write the formula for iron II chloride?

How do you write the formula for iron II chloride?


How do you make iron chloride solution?

To the iron add 100mL of water and 100mL of 12M hydrochloric acid. The iron will start reacting with the acid to produce hydrogen gas and ferrous chloride. If the reaction is proceeding too slowly for your liking you can heat up the mixture. A flask of cold water on top is useful to reduce evaporative losses.

What is ferric chloride formula?


What is ferric chloride test used for?

The ferric chloride test is used to determine the presence of phenols in a given sample or compound (for instance natural phenols in a plant extract). Enols, hydroxamic acids, oximes, and sulfinic acids give positive results as well.

What is a positive ferric chloride test?

Ferric Chloride Test This test is conducted to determine the presence or absence of phenol in a given sample. Compounds such as enols, hydroxamic acids, sulfinic acids, and oximes give positive results. Step 3: If the sample turns to red, green, purple, or blue colouration then it indicates the presence of phenols.

What are the common coagulant used?

Chemical Coagulants Used In Water Treatment

  • Aluminum Sulfate (Alum) – One of the most commonly used water treatment chemicals in the world.
  • Aluminum Chloride – A second choice to Alum as it is more expensive, hazardous and corrosive.
  • Polyaluminum Chloride (PAC) & Aluminum Chlorohydrate (ACH)

How does a coagulant work?

Coagulants work by creating a chemical reaction, eliminating negative charges that cause particles to repel each other. The action of these bubbles forces clots or flocs of particles to the water surface where they can be skimmed off. Dissolved air flotation is an alternative to sedimentation.

Why is coagulant added to water?

Chemicals (coagulants) are added to the water to bring the nonsettling particles together into larger, heavier masses of solids called floc. Aluminum sulfate (alum) is the most common coagulant used for water purification.

What is coagulation with example?

When it is heated the runny yolk and white (albumen – which is the major source of protein) turn solid. The proteins in the egg start to thicken, a process known as coagulation. Coagulation is irreversible, the proteins cannot be turned back into their liquid form. Another example is heating milk.