SATHEE: sblock Elements - Result Question 30

sblock Elements - Result Question 30

####40. The compound(s) formed upon combustion of sodium metal in excess air is (are)

(2007, 2M)

(a) $N a_{2} O_{2}$

(b) $N a_{2} O$

(c) $N a O_{2}$

(d) $N a O H$

Show Answer

Answer:

Correct Answer: 40. (a,b)

Solution:

When sodium metal is burnt in excess of air, mainly sodium peroxide $(N a_{2} O_{2})$ with little sodium oxide $(N a_{2} O)$ are formed.

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