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प्रश्न
At room temperature ethanol is _______.
विकल्प
solid
gas
plasma
liquid
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उत्तर
At room temperature ethanol is liquid.
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संबंधित प्रश्न
Give the structural formula of ethanol.
Write the molecular formula of ethanol.
What is the common name of methanal?
The next homologue of C2H5OH is ______.
Three organic compounds A, B and C have the following molecular formulae:
- C4H8O2
- CH10O
- С4H8O
- Which compound contains an alcohol group? Write its name and structural formula.
- Which compound contains a carboxyl group? Write its name and structural formula.
- Which molecular formula can represent an aldehyde as well as a ketone? Write the names and structural formulae of the aldehyde and ketone represented by this molecular formula.
Describe one reaction of ethanol.
Write the chemical equation of the reaction which takes place during the burning of ethanol in air.
Explain why, methanol is much more dangerous to drink than ethanol.
Write name and formula of hydrocarbon containing a single bond (one example). Give one characteristic chemical property.
Consider the following organic compound:
CH3OH, C2H5OH, CH3COCH3, CH3COOH, C2H5COOH, C4H9COOC2H5, CH4, C2H6, CH3CHO, HCHO
Out of these compound:
Which compound is used to sterilise wounds and syringes?
Vinegar is prepared by the bacterial oxidation of ______.
Give three uses of ethanol
From the given list, name the compound with −OH as part of its structure.
Why is the conversion of ethanol to ethanoic acid considered an oxidation reaction? Write the oxidising agent used in the reaction involved.
Draw the structures for ethanol.
3 mL of ethanol is taken in a test tube and warmed gently in a water bath. A 5% solution of alkaline potassium permanganate is added to the first drop by drop to this solution, then in excess.
- How is a 5% solution of KMnO4 prepared?
- State the role of alkaline potassium permanganate in this reaction. What happens on adding it in excess?
- Write the chemical equation of this reaction.
Give the balanced chemical equation of the following reaction:
Combustion of ethanol.
Give the balanced chemical equation of the following reaction:
Oxidation of ethanol by acidified potassium dichromate.
Give the balanced chemical equation of the following reaction:
Combustion of ethanol.
Give the balanced chemical equation of the following reaction:
Combustion of ethanol.
