Redox Titration

What is the primary standard used in the standardisation of sodium thiosulfate solution?

• Potassium dichromate

• Sodium chloride

• Potassium iodate

• Oxalic acid

In volumetric analysis, what is the purpose of a pipette?

• To measure the mass of a substance

• To deliver a precise volume of solution

• To mix the solution

• To filter the solution

Which of the following is not a redox titration?

• Cerimetry

• Bromatometry

• Dichrometry

• Mass Spectrometry

Which of the following are redox indicators?

• Internal Indicators

• External Indicator

• Self Indicators

• All of the above

If an atom loses electrons during a chemical reaction, the atom was:

• Oxidized

• Reduced

• Neutralized

• Precipitated

Tags

NGSS.HS-PS1-2

Check all that is applicable to Quinhydrone

• Bronze coloured needle shaped crystals

• It is highly soluble in water .

• It is equimolar mixture of Quinone and hydroquinone.

• It is used in the determination of pH of the solution

• It is a type of redox electrode

The quinhydrone electrode is set up by dissolving quinhydrone powder in the acid solution and inserting ________wire for electrical contact.

• Platinum

• silver

• Neobium

• tin

What is the role of potassium permanganate in a redox titration?

• Oxidizing agent

• Reducing agent

• Neutralizing agent

• Catalyst

In a redox titration involving iodine, which substance is commonly used as a titrant?

• Sodium thiosulfate

• Potassium dichromate

• Hydrochloric acid

• Sodium hydroxide

Which indicator is often used in redox titrations involving iron(II) and dichromate ions?

• Phenolphthalein

• Methyl orange

• Diphenylamine

• Bromothymol blue