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प्रश्न
Complete and balance the equation:
[General method]
Reactions of metals with dilute acids
Iron - Fe + 2HCl → ______ + _______ [g]
उत्तर
Iron - Fe + 2HCl → FeCl2 + H2 [g]
APPEARS IN
संबंधित प्रश्न
MATCH THE COLUMNS
column A | column B |
1. `""2H_2 + O_2 → 2H_2O` | A. This reaction is not possible |
2. `""H_2+CI_2 →2HCI` | B.This reaction is exothermic to the extent of explosion |
3.`""ZaO+ H^2→Zn +H_2O` | C.This reaction is known as Haber process |
4.`""Cu + H_2SO^4 → CuSO_4 + H_2 ` | D.This reaction illustrates the reducing property of bydrogen |
5.`""N_2 +3H_2 → 2NH_3 +heat ` | E. This reaction takes place in diffused sunlight |
F. This reaction is a method of preparation of hydrogen |
How do different metals displace hydrogen from water? Explain with the help of equations.
Which metal is preferred for the preparation of hydrogen?
from acid?
Hydrogen can be prepared with the help of cold water. Give a reaction of hydrogen with:
A monovalent metal
Complete and balance the following reaction.
Al + KOH + H2O→_____________ +___________
Account for the following fact:
Potassium and sodium are not used to react with dilute ‘hydrochloric acid or dilute sulphuric acid in the laboratory preparation of hydrogen.
State the condition and give balanced equation for the conversion of water gas to hydrogen – in the Bosch process.
State the reactant added to hydrogen to obtain the respective product in following case.
Water
Select the correct answer to the reactant added, to give the product in the preparation of hydrogen gas.
\[\ce{Ca(OH)2 + H2}\]
Give a reason for the following.
Granulated zinc is preferred to metallic zinc in the preparation of hydrogen using dilute acid.