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प्रश्न
What are catalysts?
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उत्तर
Catalyst is a substance which increases the rate of a reaction without causing any disturbance to it.
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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.
A student adds a few drops of ethanoic acid to test tubes X, Y and Z containing aqueous solutions of sodium chloride, sodium hydroxide and sodium carbonate, respectively. If he now brings a burning splinter near the mouth of the test tubes immediately after adding ethanoic acid in each one of them, in which of the test tube or test tubes the flame will be extinguished?
(A) X and Y
(B) Y and Z
(C) X and Z
(D) only Z
Complete the following chemical equations:
C2H5OH+CH3COOH`("conc."H_2SO_4)/`>
Identify the term or substance based on the descriptions given below
Ice like crystals formed on cooling an organic acid sufficiently.
Write the IUPAC names, common names and formulae of the first two members of the homologous series of carboxylic acids.
Write the formula of ethanoic acid.
Draw the structure of butanoic acid.
What is an oxidising agent?
Describe one reaction of a carboxylic acid.
When ethanoic acid reacts with sodium hydrogen carbonate, then a salt X is formed and a gas Y is evolved. Name the salt X and gas. Y Describe an activity with the help of a labelled diagram of the apparatus used to prove that the evolved gas is the one which you have named. Also write the chemical equation of the reaction involved.
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 substance used to change acetic acid to acetic anhydride?
What is thr boilng point of acetic acid?
Fill in the blank with appropriate word/words.
Denatured alcohol is a mixture of _____ and _______
Draw the structural formula of a compound with two carbon atoms in the following case:
An alkane with a carbon to carbon single bond.
What type of compound is formed by the reaction between acetic acid and an alcohol?
Write a balanced chemical equation for the following:
Monochloroethane is hydrolysed with aqueous KOH.
Write the molecular formula of the given compound.
Ethanoic acid
Write the answers to the questions by observing the following figure.
- Write the chemical reaction shown in the figure above in the form of a balanced equation.
- Write the name of the gas coming out of the large test tube in the above chemical reaction.
- Why do small bubbles of lime appear in the small test tube?
- What is the change in colour of lime net?
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
