Chemistry
A metal is treated with dil. H2SO4. The gas evolved is collected by the method shown in the figure given below.
Answer the following:
(a) Name the gas.
(b) Name the method of collection of the gas.
(c) Is the gas soluble or insoluble in water?
(d) Is the gas lighter or heavier than air?
(e) Is the gas combustible or a supporter of combustion?
Hydrogen
16 Likes
Answer
(a) Hydrogen.
(b) Downward displacement of water.
(c) Hydrogen gas is virtually insoluble in water.
(d) Hydrogen gas is lighter than air.
(e) Hydrogen gas is combustible but does not support combustion.
Answered By
11 Likes
Related Questions
Describe the laboratory preparation of hydrogen with a labelled diagram? How are the impurities removed.
How is hydrogen manufactured? Describe with the equation(s) involved.
Look at the following figure and answer the questions that follow:
(a) Which gas is prepared by this method marked as A.
(b) Name this method of collection. Why is this method used?
(c) Why is nitric acid not used as a reactant in the above method?
(d) Conc. H2SO4 is a good drying agent. However, it is not used here. Why?
Identify the gas evolved in the figure shown below.
What would happen if the following changes are made:
(a) In place of zinc granules, same amount of zinc dust is taken in the test tube.
(b) Instead of dilute sulphuric acid, dilute hydrochloric acid is taken.
(c) Sodium hydroxide is taken in place of dilute sulphuric acid and it is heated.