Question

Metal M reacts vigorously with water to form a compound S and a gas G. The solution of S turns red litmus blue whereas gas G, which is lighter than air burns with a popping sound .Metal M has low melting point and kept in kerosene.
a)identify the metal M and compound S write their chemical name and chemical formula.
b) what is the nature of compound.
c) identify the gas G and mention its one use.
d)write a balanced equation for the reaction which take place when metal react with water.
e) why this metal M cannot be kept in water​

Answer 1

Answer:

Explanation:

a) M is sodium (Na) , S is NaOH or sodium hydroxide.

b) the compound formed is basic in nature.

c) G is Hydrogen.

d) $2Na (s) + 2H_{2}O (l) --> 2NaOH(s) + H_{2}(g)$

e) M is a highly reactive metal, if it is stored in water, it will react vigorously, burn violently and can explode. it needs to be stored in a medium like kerosene, in which moisture cannot enter.

Answer 2

Answer:

Explanation:

a) M is sodium (Na) , S is NaOH or sodium hydroxide.

b) the compound formed is basic in nature.

c) G is Hydrogen.

d) 2Na (s) + 2H_{2}O (l) --> 2NaOH(s) + H_{2}(g)2Na(s)+2H2O(l)−−>2NaOH(s)+H2(g)

e) M is a highly reactive metal, if it is stored in water, it will react vigorously, burn violently and can explode. it needs to be stored in a medium like kerosene, in which moisture cannot enter.