Answer:
The presence of 1-2% ethanol as catalyst, suppresses the oxidation of chloroform with oxygen to give a poisonous gas called phosgene. ... Here glycerol acts as negative catalyst. Criteria or characteristics of catalysts. i. The mass and chemical composition of catalyst should remain unchanged at the end of the reaction.
Explanation:
Here is a picture of which shows you how many valence electrons are in the Lewis structure of xeo4
Mg + 2H(NO)3 ⇒ Mg(NO3)2 + H2
