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प्रश्न
Complete and balance the equations:
KMnO4 + HCI → _______+ _______ + _______ + ______ + 8H2O
उत्तर
KMnO4 + HCI → 2KCl + 2MnCl2 + 5Cl2 + 8H2O
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संबंधित प्रश्न
Certain blank spaces are left in the following table and these are labelled as A, B, C, D
and E. Identify each of them
| Lab preparation of | Reactants used | Products formed | Drying Agent | Method of collection |
|
| 1 | HCl gas | NaCl + H2SO4 |  |
conc. H2SO4 |  |
| 2 | NH3 gas |
|
Mg(OH)2 NH3 |
 |
 |
Write a balanced chemical equation for the action of hydrochloric acid on sodium bicarbonate.
Identify the gas evolved and give the chemical test in the following cases
Dilute hydrochloric acid reacts with sodium sulphite.
The following are pertaining to the laboratory preparation of hydrogen chloride gas.
Name the drying agent used and justify your choice.
The following are pertaining to the laboratory preparation of hydrogen chloride gas.
State a safety precaution you would take during the preparation of hydrochloric acid.
Write the balanced chemical equation for the laboratory preparation of hydrogen chloride gas.
Draw a labelled diagram for the laboratory preparation of hydrogen chloride gas and answer the following.
- Name the acid used. Why is this particular acid preferred to other acids?
- Give the balanced equation for the reaction.
- Name the drying agent used in drying hydrogen chloride gas.
- Phosphorous pentoxide and calcium oxide are good drying agents, but they cannot be used to dry hydrogen chloride gas. Why?
- Why is the direct absorption of \[\ce{HCl}\] gas in water not feasible?
- What arrangement is done to dissolve \[\ce{HCl}\] gas in the water?
Explain why dry hydrogen chloride gas does not affect a dry strip of blue litmus paper but it turns red in the presence of a drop of water.
Explain why hydrogen chloride gas is not collected over water.
Name the gas produced when chlorine water is exposed to sunlight.
Draw a labelled diagram and explain the laboratory preparation of hydrogen chioride gas.
What are the important precautions?
What is aqua-regia?
Mention the reaction condition and give balanced equation to obtain: Cl2 gas from HCI gas.
Choose the correct answer from the options given below:
Bleaching powder reacts with few drops of concentrated HCl to give
What property of hydrogen chloride is demonstrated when it is collected by downward delivery (upward displacement) ?
State the observation for action of dilute hydrochloiric acid or iron (II) sulphate.
Answer the following question related to the laboratory preparation of the hydrogen chloride gas:
Why is sodium chloride preferred to other metallic chlorides?
Answer the following question related to the laboratory preparation of the hydrogen chloride gas:
State the temperature required in the preparation.
Complete and balance the following reaction, state whether dilute or conc. acid is used.
\[\ce{NH4OH + HCl ->}\]
