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प्रश्न
What happens when a small piece of sodium is dropped in ethanol? Write the equation for this reaction.
What happens when a piece of sodium is dropped into ethanol?
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उत्तर
Ethanol reacts with sodium to form sodium ethoxide and hydrogen gas.
\[\ce{2Na + 2CH3CH2OH ->\underset{{Sodium Ethoxide}}{2CH3CH2O - Na^+} + H2 ↓}\]
Notes
Students should refer to the answer according to their question.
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संबंधित प्रश्न
You have four test tubes, A, B, C and D containing sodium carbonate, sodium chloride, lime water and blue litmus solutions respectively. Out of these the material of which test tube/ test tubes would be suitable for the correct test of acetic/ethanoic acid?
(a) only A
(b) A and B
(c) B and C
(d) A and D
Complete the following chemical equations: CH3COOH+NaHCO3→
Fill in the following blank with suitable word:
The next higher homologue of ethanol is ...............
How would you distinguish experimentally between an alcohol and carboxylic acid on the basis of a chemical property?
The substance which can produce brisk effervescence with baking soda solution is:
(a) ethanol
(b) vegetable oil
(c) vinegar
(d) soap solution(b) hydrocarbon ends directed towards the centre and ionic ends directed outwards
In a soap micelle, the soap molecules are arranged radially with the hydrocarbon ends, i.e. hydrophobic, directed towards the centre; and, ionic ends, i.e. hydrophilic, directed outwards.
If you are asked to report your observations about the following two properties of acetic acid, what would you report?
(i) Odour
(ii) Effect on litmus
A student puts a drop of acetic acid first on a blue litmus paper and then on a red litmus paper. He would observe that
(A) the red litmus paper turns colourless and there is no change in the blue litmus paper.
(B) the red litmus paper turns blue and the blue litmus paper turns red.
(C) there is no change in the red litmus paper and the blue litmus paper turns red.
(D) there is no change in the blue litmus paper and the red litmus paper turns blue.
Give the structural formula of Acetic acid.
What is vinegar and glacial acetic acid?
Ketone : –CO– : : Ester : _______
