Chemistry, asked by hibjitbarman106, 1 year ago

When a metal X is treated cold water ,it gives a basic salt Y with molecular formula XOH (molecular formula=40) and liberates a gas Z which easily catches fire. Identity X,Y,Z and also write the reaction involved.

Answers

Answered by jrc
5
X- potassium
Y - KOH
Z - H2
Reaction :
K + H2O - - - - - > KOH + H2
Answered by Anonymous
4

atomic mass of X is 40 - 16 - 1 = 23.

So it is sodium.

so Y = sodium hydroxide.


Sodium + water =sodium hydroxide + hydrogen gas

Z is hydrogen (g)

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