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प्रश्न
Ketone : –CO– : : Ester : _______
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उत्तर
Ketone : –CO– : : Ester : –COO–
APPEARS IN
संबंधित प्रश्न
What do you observe when you drop a few drops of acetic acid to test tubes containing
(a) phenolphthalein
(b) distilled water
(c) universal indicator
(d) sodium hydrogen carbonate powder
In order to study saponification reaction, we first prepare 20% solution of sodium hydroxide. If we record the temperature of this solution just after adding sodium hydroxide flakes to water and also test its nature using litmus, it may be concluded that the process of making this solution is
(A) exothermic and the solution is alkaline
(B) endothermic and the solution is alkaline
(C) endothermic and the solution is acidic
(D) exothermic and the solution is acidic
Complete the following chemical equation:
\[\ce{CH3COOC2H5 + NaOH ->}\]
What is the common name of ethanoic acid?
Draw the structure for the following compound:
Ethanoic acid
Give the common name and IUPAC name of the following compound:
HCOOH
Choose those compounds from the following which can turn blue litmus solution red:
HCHO, CH3COOH, CH3OH, C2H5OH, HCOOH, CH3CHO
Give reasons for your choice.
How would you distinguish between ethanol and ethanoic acid by chemical test?
Consider the following organic compounds:
HCHO, C2H5OH, C2H6, CH3COOH, C2H5Cl
Choose two compounds which can react in the presence of conc. H2SO4 to form an ester. Give the name and formula of the ester formed.
Name the product formed and give an appropriate chemical equation for the following:
Ethanol oxidised by acidified potassium dichromate.
Give the structural formulae of acetic acid.
Name the substance used to change acetic acid to acetic anhydride?
Name the following:
A toxic alcohol
How Will You Carry Out the Following Conversions?
Ehane to acitic acid
Using appropriate catalysts, ethane can be oxidized to an alcohol. Name the alcohol formed when ethane is oxidized.
Choose the correct alternative and rewrite the following:
Some acetic acid is treated with solid NaHCO3, the resulting solution will be _________________.
Observe the figure and write the answers to the following questions.
- Write the name of the reaction shown in the following figure.
- Write the above chemical reaction in the form of a balanced equation.
- Write the name of the product produced in the above reaction, write a use.
- Write the name of the catalyst used in the above reaction.
Mineral acids are stronger acids than carboxylic acids because
- mineral acids are completely ionised
- carboxylic acids are completely ionised
- mineral acids are partially ionised
- carboxylic acids are partially ionised
Ester is formed by the reaction between ______.
When ethanoic acid is treated with NaHCO^ the gas evolved is ______.
