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प्रश्न
State one appropriate observation of the following:
Copper sulphate is treated with dilute hydrochloric acid.
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उत्तर
A colourless gas having the smell of rotten eggs is given off. The gas evolved is H2S:
\[\ce{CuS + 2HCl -> CuCl2 + H2S}\]
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संबंधित प्रश्न
What would happen if
Hydrogen chloride prepared in laboratory, is passed through water, using a delivery tube.
Write three equations to show that hydrochloric acid acts as an acid.
Fill in the blank:
A constant boiling mixture of water and hydrochloric acid is also called as _______________.
Fill in the blank:
___________ agent converts hydrochloric acid to chlorine.
Write equation for the reaction between hydrochloric acid of the following: Bleaching powder
Write equation for the reaction between hydrochloric acid of the following: Oxide of lead
Write a balanced equation for the reaction of zinc and dilute hydrochloric acid.
Aqua regia is a mixture of ______.
State one appropriate observation of the following:
Concentrated HCl is made to react with mangesediaoxide
The following question is pertaining to the laboratory preparation of hydrogen chloride gas.
State a safety precaution you would take during the preparation of hydrochloric acid.
