Re: What is the correct equation for producing hydrogen gas from lye?

Date: Mon May 1 14:08:11 2000
Posted By: Nigel Barker, Head of Science, International School of Lusaka
Area of science: Chemistry
ID: 953434749.Ch

Message:

Aluminium dissolves in hot dilute sodium hydroxide according to this equation:

Al_(s) + OH^-_(aq) + 3H₂O_(l) ---> Al(OH)₄^-_(aq) + 3/2 H_{2 (g)}

the other product is sodium tetrahydroxoaluminate(III), the sodium salt of a complex ion.

Chemistry in Context, Hill and Holman, Nelson, 1995

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