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प्रश्न
Write a balanced chemical equation for the following:
Preparation of methane from iodomethane.
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उत्तर
CH3I + 2[H] → CH4 + H
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संबंधित प्रश्न
How is the following salt prepared:
Lead (II) oxide from lead.
How is the following salt prepared:
Copper (II) sulphate from copper (II) oxide?
Describe giving all practical details, how would you prepare:
lead sulphate from metallic lead.
You are provided with the following chemicals:
NaOH, Na2CO3, H2O, Zn(OH)2, CO2, HCI, Fe, H2SO4, CI2, Zn.
Using the suitable chemicals from the given list only, state briefly how you would prepare iron (III) chloride.
Give equation to prepare the following as directed
NaHCO3 from Na2CO3
Choosing only substances from the list given in the box below, write equations for the reactions which you would use in the laboratory to obtain:
(i) Sodium sulphate
(ii) Copper sulphate
(iii) Iron (II) sulphate
(iv) Zinc carbonate
| Dilute sulphuric acid |
Copper, Iron, |
Copper carbonate, Sodium carbonate |
Write equation for the laboratory preparation of the following salt, using sulphuric acid: Iron (II) sulphate from the iron.
The preparation of lead sulphate from lead carbonate is a two step process (lead sulphate cannot be prepared by adding dilute sulphuric acid to lead carbonate)
What is the first step that is required to prepare lead sulphate from lead carbonate?
Write the equations for the reaction to prepare lead sulphate from lead carbonate.
For each of the salt: A, B, C and D, suggest a suitable method of its preparation.
A is a sodium salt.
