Advertisements
Advertisements
प्रश्न
Take any one alkali metal and write its reaction with (i)oxygen (ii)water (iii)acid.
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
APPEARS IN
संबंधित प्रश्न
Arrange the Elements of Group 17 and Group 1 According to the Given Conditions.
Increasing order of atomic size,
Consider the following elements: Be, Li, Na, Ca, K. Name the elements of (a) same group (b) same period.
How do alkaline earth metals occur in nature?
Write the electronic configuration of the first two alkaline earth metals.
Comment on the (i) reactivity (ii) colour (iii) physical state of group 17 elements.
Name the gas used in:
Filling balloons
Name the gas used in:
Bright colour advertising light works
Give reason:
Alkali and alkaline earth metal compounds usually form electrovalent compounds.
State the characteristics which remain similar in moving down in a group of the periodic table.
Name or state following with reference to the element of the first three periods of the periodic table.
An alkaline earth metal in period 3.
