Beta
ManageSearchChatDiscover
142985

Thermodynamic Studies of 5-(P-Bromophenylazo)-3 Phenylrhodanine and Its Metal Complexes.

Article

Last updated: 22 Jan 2023

OverviewSimilar Items

Subjects

-

Tags

Mathematics and Engineering Physics

Abstract

The dissociation constant of 5-(p-bromophenylazo)-3-phenylrhodanine (HL) and metal-ligand stability constants of its complexes with bivalent (Mn2+, Co2+, Ni2+ and Cu2+) metal icons have been determined potentiometrically in 0.1 M KÇI and 40% (v/v) ethanol-water mixture. The order of the stability constants of the formed complexes was found to be Mn2+ 2+ < Ni2+ < Cu2+. The effect of temperature was studied and the corresponding thermodynamic parameters (∆G, ∆H and ∆S) were derived and discussed. The dissociation process is nonspontaneous, endothermic and entropically unfavorable. The formation of the metal complexes has been found to be spontaneous, exothermic and entropically favorable. 

DOI

10.21608/bfemu.2021.142985

Keywords

5, (p, bromophenylazo), 3, phenylrhodanine. potentiometry and thermodynamics

Authors

First Name

M.

Last Name

EI-Komy

MiddleName

A.

Affiliation

Physical & Mathmatics Science Department., Faculty of Engineering (Shoubra), Benha Branch., Zagazig University, Cairo., Egypt.

Email

-

City

Zagazig

Orcid

-

Volume

27

Article Issue

3

Related Issue

21025

Issue Date

2002-09-01

Receive Date

2002-07-11

Publish Date

2021-09-01

Page Start

14

Page End

22

Print ISSN

1110-0923

Online ISSN

2735-4202

Article File

BFEMU_Volume 27_Issue 3_Pages 14-22.pdf

PDF . 348.7kB

Link

https://bfemu.journals.ekb.eg/article_142985.html

Detail API

https://bfemu.journals.ekb.eg/service?article_code=142985

Order

39

Type

Research Studies

Type Code

1,205

Publication Type

Journal

Publication Title

MEJ. Mansoura Engineering Journal

Publication Link

https://bfemu.journals.ekb.eg/

MainTitle

-

Details

Type

Article

Created At

22 Jan 2023