Question : Baeyer's reagent is
Option 1: Alkaline potassium permanganate
Option 2: Acidified potassium permanganate
Option 3: Hydrogen peroxide
Option 4: Bromine water
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Correct Answer: Alkaline potassium permanganate
Solution : The correct option is Alkaline potassium permanganate.
Baeyer's reagent, also known as alkaline potassium permanganate solution, is a chemistry reagent used to detect the presence of phenolic chemicals, including salicylic acid, and related compounds. Baeyer's reagent is a potassium permanganate (KMnO4) solution in a strong alkaline media, usually potassium hydroxide (KOH) or sodium hydroxide (NaOH). When a phenolic molecule combines with Baeyer's reagent, it undergoes an oxidative coupling process.
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Question : Hydrogen peroxide effective sterilizing agent. Which one of the following product results when it readily loses active oxygen?
Option 1: Nascent Hydrogen
Option 2: Water
Option 3: Hydrogen
Option 4: Ozone
Question : Which potassium acid salt is obtained as a by-product of alcohol manufacture during fermentation?
Option 1: Potassium Citrate
Option 2: Potassium bitartrate
Option 3: Potassium nitrate
Option 4: Potassium hydrogen adipate
Question : Which one of the following metals does not react with water to produce Hydrogen?
Option 1: Potassium
Option 2: Cadmium
Option 3: Sodium
Option 4: Lithium
Question : Which of the following can not act as a bleaching agent?
Option 1: Hydrogen peroxide
Option 2: Nitrous oxide
Option 3: Chlorine
Option 4: Sulphur dioxide
Question : India's area is about ................ times larger than Pakistan's.
Option 1: 3
Option 2: 4
Option 3: 6
Option 4: 9
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