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प्रश्न
Fill in the blank with appropriate word/words.
Denatured alcohol is a mixture of _____ and _______
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उत्तर
Denatured alcohol is a mixture of ethyl alcohol and methanol.
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संबंधित प्रश्न
When you add about 2 ml of acetic acid to a test tube containing an equal amount of distilled water and leave the test tube to settle after shaking its contents, what will you observe in the test tube after about 5 minutes?
(A) A white precipitate settling at its bottom
(B) A clear colourless solution
(C) A layer of water over the layer of acetic acid
(D) A layer of acetic acid over the layer of water
List two uses of esters.
What type of compound is formed when a carboxylic acid reacts with an alcohol in the presence of conc. H2SO4?
A neutral organic compound is warmed with some ethanoic acid and a little of conc. H2SO4. Vapours having sweet smell (fruity smell) are evolved. What type of functional group is present in this organic compound?
What is glacial acetic acid?
Acetic acid smells like:
(1) a banana
(2) vinegar
(3) an orange
(4) a lemon
State how the following conversion can be carried out:
Ethyl chloride to Ethene.
When acetaldehyde is oxidized with acidified potassium dichromate, it forms ______.
Give a chemical reaction in which a catalyst is used.
Raina while doing certain reactions observed that heating of substance ‘X’ with a vinegar-like smell with a substance ‘Y’ (which is used as an industrial solvent.) in the presence of conc. Sulphuric acid in a water bath gives a sweet-smelling liquid ‘Z’ having molecular formula C4H8O2. When heated with caustic soda (NaOH), ‘Z’ gives back the sodium salt and the compound ‘Y’.
Identify ‘X’, ‘Y’, and ‘Z’. Illustrate the changes with the help of suitable chemical equations.
