Hydrolysis of nitrosyl and thiosulfate anions: Structure and reactivity of water molecules in the first hydration shell

Khongsit, Larisha (2016) Hydrolysis of nitrosyl and thiosulfate anions: Structure and reactivity of water molecules in the first hydration shell. Masters thesis, Indian Institute of Technology Hyderabad.

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Abstract

Hydrolysis is common method to study the Hydrogen-interaction of a various molecules with water. Formation of Nitric acid in the hydrolysis of nitroniumion is anevidence of hydrogen bond interaction. The water is added is a step wise manner from n=1 to n=5. But no Nitric acid formation was seen in the first three water molecules. After add it ion of the fourth water molecule, one of the water molecules split up to give hydroxyl ion(OH-) and hydrogen ion(H+). The OH- as a nucleophile come and combine with NO2+ ion to form HNO3 molecule there by stabilizing the system, where as the H+ ion goes and attached with one of the water molecule to give Hydronium ion H3O+ via a Proton Transfer Mechanism. On further addition of five water molecule the same mechanism was follow in which one Nitric acid molecule were obtained along with a hydronium ion nH2O + NO2+ → HNO3 + H3O+ + H2On-2 in which this formula apply only from n=4 onwards.

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IITH Creators:
IITH CreatorsORCiD
Item Type: Thesis (Masters)
Uncontrolled Keywords: Hydrogen- interaction, nitronium ion, TD505
Subjects: ?? sub5.8 ??
Divisions: Department of Chemistry
Depositing User: Library Staff
Date Deposited: 05 May 2016 05:10
Last Modified: 05 May 2016 05:10
URI: http://raiith.iith.ac.in/id/eprint/2319
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