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प्रश्न
Three organic compounds A, B and C have the following molecular formulae: C4H10O
Which compound contains a carboxyl group? Write its name and structural formula.
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उत्तर
The organic compound 'A' contains a carboxyl group. The name of the acid is butanoic acid, and its formula is C3H7COOH. Its structural formula is as follows:
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संबंधित प्रश्न
Write three different chemical reactions showing the conversion of ethanoic acid to sodium ethanoate. Write balanced chemical equation in each case. Write the name of the reactants and the products other ethanoic acid and sodium ethanoate in each case.
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
A gas is liberated immediately with a brisk effervescence, when you add acetic acid to sodium hydrogen carbonate powder in a test tube. Name the gas and describe the test that confirms the identity of the gas.
Complete the following chemical equations :CH3COOH + Na2CO3 →
Name the following:
The distinctive reaction that takes place when ethanol is treated with acetic acid.
Fill in the blanks from the choices given within brackets:
The basicity of acetic acid is-------- (3, 1, 4).
What is the common name of ethanoic acid?
Describe one reaction of a carboxylic acid.
Which of the following molecular formula corresponds to ethylbutanoate ester?
(a) C5H10O2
(b) C6H12O2
(c) C7H14O2
(d) C8H16O2
Write the names of the first three members of the carboxylic acid series.
On adding acetic acid to sodium hydrogen carbonate in a test tube, a student observes
(A) no reaction
(B) a colourless gas with pungent smell
(C) bubbles of a colourless and odourless gas
(D) a strong smell of vinegar
State how the following conversions can be carried out:
Ethyl alcohol to Ethane
Give balanced chemical equations for the following conversion :
Ethanoic acid to ethyl ethanote
Identify the term or substance based on the descriptions given below:
Hydrocarbon containing a triple bond used for welding purposes
Ethanoic acid _________.
Draw the structural diagram of:
Ethanoic acid
Bubbles are seen in the test tube during the preparation of lime water.
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
