Advertisements
Advertisements
प्रश्न
What are catalysts?
Advertisements
उत्तर
Catalyst is a substance which increases the rate of a reaction without causing any disturbance to it.
APPEARS IN
संबंधित प्रश्न
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
Draw the structure for the following compound:
Propanoic acid
Write the formula of methanoic acid.
Give the common name and IUPAC name of C2H5OH.
Name the functional group present in an organic compound which gives brisk effervescence with NaHCO3.
What happens when propanoic acid is warmed with methanol in the presence of a few drops of concentrated sulphuric acid? Write equation of the reaction involved.
State any two uses of esters.
What do you observe when acetic acid is added to sodium bicarbonate?
Name the following:
A toxic alcohol
What is the main constituent of vinegar?
What is the action of acetic acid with litmus paper?
Write balanced euation for the following :
Ethane is burnt in air.
Rewrite the following statement by selecting the correct option.
The formula of ethanoic acid is _____________.
Write the molecular formula of the given compound.
Ethanoic acid
Ester is a sweet-smelling compound.
Explain the following reaction with an example.
Esterification
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.
Vinegar is a solution of ______.
Write the chemical equation for the following:
Saponification Reaction
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
