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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
Consider the following elements: Be, Li, Na, Ca, K. Name the elements of (a) same group (b) same period.
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Name and state the following with reference to the elements of the first three periods of the periodic table.
Noble gas with duplet arrangement of electrons.
Name the first three alkaline earth metals.
Name the gas used in:
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Give reason:
Alkali metals are kept in an inert solvent.
Give reason:
Alkali and alkaline earth metal compounds usually form electrovalent compounds.
Write a short note on the following type of element –
alkali metals
State the main helpful features of the long form of the periodic table.
