6. Write down the reactions of alkali metals with Hydrogen and Halogens. in (2 marks )
Answers
Answered by
0
Answer:
Let M represents an alkali metal.
2M+H
2
→2MH
MH can be represented as M
+
+H
−
In this reaction, conversion of hydrogen an be represented as H
2
+2e
−
→2H
−
Thus, a molecule of hydrogen accepts a pair of electrons to form 2 hydride ions. Gain of electrons is reduction. Hence, hydrogen is reduced to hydride ions.
Note: Alkali metal is oxidised to M
+
ions.
Answered by
0
Answer:
Alkali metals is oxidized to m+ions
Explanation:
2M+H2--2MH
MH can be present m plus plus h minus in this reaction conversion of the hydrogen can be represented as H2 + 2 c minus is equal to 2 h - does a molecule of hydrogen accepts a pair of electrons to form two ions gain of electrons is reduction
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