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Questions and Answers
What are substances like alkaline potassium permanganate and acidified potassium dichromate known as in the context of oxidation reactions?
What are substances like alkaline potassium permanganate and acidified potassium dichromate known as in the context of oxidation reactions?
- Precipitates
- Reducing agents
- Catalysts
- Oxidising agents (correct)
In the context of oxidation reactions, what does an oxidising agent do to the starting material?
In the context of oxidation reactions, what does an oxidising agent do to the starting material?
- Adds hydrogen
- Removes oxygen
- Adds oxygen (correct)
- Removes hydrogen
What role do catalysts like palladium or nickel play in the hydrogenation of unsaturated hydrocarbons to saturated hydrocarbons?
What role do catalysts like palladium or nickel play in the hydrogenation of unsaturated hydrocarbons to saturated hydrocarbons?
- Initiate the reaction
- Speed up the reaction (correct)
- Change the reactants
- Inhibit the reaction
Which type of hydrocarbons add hydrogen in the presence of catalysts to give saturated hydrocarbons?
Which type of hydrocarbons add hydrogen in the presence of catalysts to give saturated hydrocarbons?
What is the primary function of a catalyst in a chemical reaction?
What is the primary function of a catalyst in a chemical reaction?
Why are substances like alkaline potassium permanganate and acidified potassium dichromate called oxidising agents in chemical reactions?
Why are substances like alkaline potassium permanganate and acidified potassium dichromate called oxidising agents in chemical reactions?
Which product is formed when ethanoic acid undergoes combustion?
Which product is formed when ethanoic acid undergoes combustion?
What type of reaction occurs when bromopentane undergoes substitution?
What type of reaction occurs when bromopentane undergoes substitution?
Which compound is capable of producing a yellow, sooty flame when burned?
Which compound is capable of producing a yellow, sooty flame when burned?
What is the name of the compound CH3—CH2—Br?
What is the name of the compound CH3—CH2—Br?
What is the role of a catalyst in a chemical reaction?
What is the role of a catalyst in a chemical reaction?
Which compound is likely to undergo hydrogenation?
Which compound is likely to undergo hydrogenation?
What is the purpose of adding soap to test tube B in the experiment described in the text?
What is the purpose of adding soap to test tube B in the experiment described in the text?
In the context of the text, what is the function of the ionic-end of soap molecules?
In the context of the text, what is the function of the ionic-end of soap molecules?
What property of soap makes it effective in cleaning dirt that is oily in nature?
What property of soap makes it effective in cleaning dirt that is oily in nature?
If you dissolve soap in a hydrocarbon, what structure would be formed based on the text?
If you dissolve soap in a hydrocarbon, what structure would be formed based on the text?
Which part of the soap molecule faces outside the micelle structure in water?
Which part of the soap molecule faces outside the micelle structure in water?
How do soap micelles help in cleaning clothes effectively?
How do soap micelles help in cleaning clothes effectively?
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