1. Write three major criteria of forming a Hydrogen bond in bullet points with example. 2. Certain amount of pure charcoal (carbon) has to be burnt with supplied natural air. Process engineer allowed the exact amount of air required to burn the entire charcoal completely to carbon dioxide. Carbon has no reaction with nitrogen gas present in the air. In the reaction outlet if 5 kg of nitrogen gas was found, calculate the amount of charcoal used. (12C, 16O, 14N)

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