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The Reduction of a Solutİon of Sodium Chromate in Hydrdchloric Acid by Methanol

Yıl 1980, Cilt: 26 , 0 - 0, 01.01.1980
https://doi.org/10.1501/Commub_0000000161

Öz

The industrially interesting reduction by methanol of a solution of 0.8M sodium chromate in 6M hydrochloric acid has been investigated thermocalorimetrically. The proposed overall stoichiometric equation z
2Na2CrO4(aq) + CH3OH(aq) + 10HCl(aq) + II2O(1) - 2[Cr(H2O)4. aj. CJ(aq) + 4NaCl(aq) + CO2(g)
is in agreement with experimental observations at 21.2-70.8°C. The molar ratioMeOH (consumed): CrVI (reduced)—1:1.98 mol/mol; the meanheat of reaction, AH — -0.759 MJ mol-1; and carbon dioxide gas w as proved to be evolved.
The experimentally determined activation energy, E = 28.2 kj mol~1,and the order of reaction with respect to methanol, n = 1.81, appear to be inconsistent with the chro¬mate ester mechanism; an alternative reaction mechanism is suggested.

Kaynakça

  • Communications Faculty of Sciences University of Ankara Series B Chemistry and Chemical Engineering
Yıl 1980, Cilt: 26 , 0 - 0, 01.01.1980
https://doi.org/10.1501/Commub_0000000161

Öz

Kaynakça

  • Communications Faculty of Sciences University of Ankara Series B Chemistry and Chemical Engineering
Toplam 1 adet kaynakça vardır.

Ayrıntılar

Birincil Dil İngilizce
Konular Kimya Mühendisliği
Bölüm Research Article
Yazarlar

R.e. Sowden Bu kişi benim

Yayımlanma Tarihi 1 Ocak 1980
Yayımlandığı Sayı Yıl 1980 Cilt: 26

Kaynak Göster

Vancouver Sowden R. The Reduction of a Solutİon of Sodium Chromate in Hydrdchloric Acid by Methanol. Commun. Fac. Sci. Univ. Ank. Ser. B. 1980;26.

Communications Faculty of Sciences University of Ankara Series B Chemistry and Chemical Engineering

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