Advertisements
Advertisements
Question
Complete and balance the following equation:
\[\ce{Na + O2 ->}\]
Advertisements
Solution
\[\ce{4Na_{(s)} + O2_{(g)} -> 2Na2O_{(s)}}\]
APPEARS IN
RELATED QUESTIONS
Iron is
(a) More reactive than zinc
(b) More reactive than aluminium
(c) Less reactive than copper
(d) Less reactive than aluminium
Name the following:
Metals which forms an amphoteric oxide.
Write equations for the reactions of calcium and potassium with water.
Write the electron-dot structures for sodium, oxygen and magnesium.
A student added few pieces of aluminium metal to two test tubes A and B containing aqueous solutions of iron sulphate and copper sulphate. In the second part of her experiment, she added iron metal to another test tubes C and D containing aqueous solutions of aluminium sulphate and copper sulphate.
In which test tube or test tubes will she observe colour change? On the basis of this experiment, state which one is the most reactive metal and why.
Name the metal which has been placed at the bottom of the reactivity series.
Complete and balance the following equation:
\[\ce{Cu(NO3)2_{(aq)} + Zn_{(s)} ->}\]
Ordinary aluminium strips are not attacked by water because of the presence of a layer of ______ on the surface of aluminium.
How do non-metals react with hydrogen? Explain with an example.
Which gas is produced when dilute hydrochloric acid is added to a reactive metal?
You are given samples of three metals - sodium, magnesium and copper. Suggest any two activities to arrange them in order of their decreasing reactivities.
Name another metal oxide which behaves like aluminium oxide.
Which non-metal has been placed in the reactivity series of metals?
One of the following is not a neutral oxide. This is:
Out of aluminium, copper, calcium and tin, the most reactive metal is:
An element is soft and can be cut with a knife. It is very reactive and cannot be kept open in the air. It reacts vigorously with water. The element is most likely to be ______.
Write a chemical equation to illustrate the use of aluminium for joining cracked railway lines.
Which property of metals is used for making bells and strings of musical instruments like Sitar and Violin?
An element X is soft and can be cut with a knife. This is very reactive to air and cannot be kept open in the air. It reacts vigorously with water. Identify the element from the following.
Generally, metals are solid in nature. Which one of the following metals is found in liquid state at room temperature?
