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प्रश्न
Take any one alkali metal and write its reaction with (i)oxygen (ii)water (iii)acid.
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उत्तर
The reaction of an alkali metal with oxygen - React rapidly with oxygen
4Na + O2 → 2Na2O
The reaction of an alkali metal with water - React with water violently and produce hydrogen
2M + 2H2O → 2MOH + H2
The reaction of an alkali metal with acid - React violently with dilute. HCl and dilute. H2SO4 to produce hydrogen
2M + 2HCl → 2MCl + H2
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संबंधित प्रश्न
Arrange the Elements of Group 17 and Group 1 According to the Given Conditions.
Increasing order of atomic size,
What are the following group known as?
Group 1
Name the method by which alkali metals can be extracted.
Name the first three alkaline earth metals.
How many electrons do inert gases have in their valence shells?
State the characteristics which remain similar in moving down in a group of the periodic table.
Write a short note on the following type of element –
noble gases
‘The periodic table contains elements methodically grouped together’.
State the main helpful features of the long form of the periodic table.
Give a reason for the following:
Group 1 [I – A] elements are called alkali metals.
