Kinetics and mechanism of reaction between silver molybdate and mercuric iodide in solid state

Journal Article · Fri May 01 04:00:00 EDT 1987 · J. Solid State Chem.; (United States)

DOI:https://doi.org/10.1016/0022-4596(87)90283-0· OSTI ID:6559387

Beg, M A; Rafiuddin,

The kinetics and the mechanism of the reaction between silver molybdate and mercuric iodide were studied in the solid state by X-ray, chemical analysis, and electrical conductivity measurements. This is a multistep reaction where Ag/sub 2/HgI/sub 4/ is formed as an intermediate. In an equimolar mixture of Ag/sub 2/MoO/sub 4/ and HgI/sub 2/, AgI an HgMoO/sub 4/ are formed, whereas in a 1:2 molar mixture Ag/sub 2/HgI/sub 4/ and HgMoO/sub 4/ are formed. The data for lateral diffusion best fit the equation X/sup n/ = kt, where X is the product thickness, t is time, and k and n are constants. This is a multistep solid state ionic reaction initiated by the diffusion of HgI/sub 2/ molecules as such and not through counterdiffusion of cations.

• Research Organization: Aligarh Muslim Univ., India
• OSTI ID: 6559387
• Journal Information: J. Solid State Chem.; (United States), Journal Name: J. Solid State Chem.; (United States) Vol. 68:1; ISSN JSSCB
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
COHERENT SCATTERING
DATA
DIFFRACTION
DIFFUSION
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
EXPERIMENTAL DATA
HALIDES
HALOGEN COMPOUNDS
INFORMATION
IODIDES
IODINE COMPOUNDS
KINETICS
MERCURY COMPOUNDS
MERCURY HALIDES
MERCURY IODIDES
MOLYBDATES
MOLYBDENUM COMPOUNDS
NUMERICAL DATA
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
REACTION INTERMEDIATES
REACTION KINETICS
REFRACTORY METAL COMPOUNDS
SCATTERING
SILVER COMPOUNDS
TEMPERATURE DEPENDENCE
TRANSITION ELEMENT COMPOUNDS
X-RAY DIFFRACTION