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प्रश्न
Dilute hydrochloric acid is added in turn to a mixture of iron and sulphur and to the compound formed between iron and sulphur. Name the gas formed in each case.
उत्तर
When dilute hydrochloric acid is added to a mixture of iron and sulphur, then hydrogen gas will evolve. While, when dilute hydrochloric acid is added in turn to
the compound formed between iron and sulphur the gas formed will be H2S.
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संबंधित प्रश्न
How is the gas collected and why?
How can you prove that hydrochloric acid contain :
Chlorine?
Name two gases which combine chemically to form a solid.
How will you show that hychloric acid contains both hydrogen and chlorine (other than by electrolysis) ?
Give reason for the following:
Dilute hydrochloric acid cannot be concentrated by distilling (boiling) the dilute acid.
(a) Name the experiment illustrate above.
(b) Which property of hydrogen chloride is demonstrated by this experiment?
(c) State the colour of the water that has entered the round-bottomed flask.
The diagram shows an apparatus for the laboratory preparation of hydrogen chloride.
(i) Identify A and B
(ii) Write the equation for the reaction
(iii) How would you check whether or not the gas jar is filled with hydrogen chloride?
(iv) What does the method of collection tell you about the density of hydrogen chloride.
What property of hydrogen chloride is demonstrated when it is collected by downward delivery (Upward displacement)?
State the following:
The drying agent used in the laboratory preparation of HCl gas.
Identify the terms for the following:
A method used to collect HCl gas.
