Advertisements
Advertisements
प्रश्न
Write an equation for the reaction of:
Sodium with oxygen
Advertisements
उत्तर
\[\ce{\underset{(Metal)}{\underset{Sodium}{4Na_{(s)}}} + \underset{(From air)}{\underset{Oxygen}{O2_{(g)}}} -> \underset{(Basic oxide)}{\underset{Sodium oxide}{2Na2O_{(s)}}}}\]
APPEARS IN
संबंधित प्रश्न
‘E’ is an element which reacts with oxygen to form an oxide E2O. An aqueous solution of E2O turns red litmus blue, so:
i. What is the nature of oxide E2O ?
ii. Write the name of element ‘E’.
Write equations for the reactions of calcium and potassium with water.
Write the chemical reaction when iron reacts with dilute H2SO4.
What would you observe when zinc is added to a solution of iron (II) sulphate? Write the chemical reaction that takes place.
An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water. The element is likely to be ______.
What name is given to those metal oxides which show basic as well as acidic behaviour?
Which of the two metals is more reactive?
Copper or silver
Which of the following elements would yield a basic oxide?
Na, S, C, K, H
What happens when magnesium reacts with very dilute nitric acid? Write an equation for the reaction involved.
A copper plate was dipped in AgNO3 solution. After certain time, silver from the solution was deposited on the copper plate. State the reason why it happened. Give the chemical equation of the reaction involved.
Why does aluminium not react with water under ordinary conditions?
Which gas is produced when dilute hydrochloric acid is added to a reactive metal?
What is the action of water on magnesium? Write equations of the chemical reactions involved.
What special name is given to substances like aluminium oxide?
Which of the following reactions will not occur? Why not?
- \[\ce{MgSO4_{(aq)} + Cu_{(s)} -> CuSO4_{(aq)} + Mg_{(s)}}\]
- \[\ce{CuSO4_{(aq)} + Fe_{(s)} -> FeSO4_{(aq)} + Cu_{(s)}}\]
- \[\ce{MgSO4_{(aq)} + Fe_{(s)} -> FeSO4_{(aq)} + Mg_{(s)}}\]
What are noble gases?
Choose the correct alternative and rewrite the following:
Which of the following is lue in colour?
Write the chemical equation of the above process.
Aluminium is used for making cooking utensils. Which of the following properties of aluminium are responsible for the same?
(i) Good thermal conductivity
(ii) Good electrical conductivity
(iii) Ductility
(iv) High melting point
Generally, metals are solid in nature. Which one of the following metals is found in liquid state at room temperature?
