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Chemistry 7 Online
OpenStudy (anonymous):

Give an example reaction for the following: Base + amphoteric metal --> complex ion + hydrogen gas Base + ammonium salt --> ammonia gas

mathslover (mathslover):

Base = NaOH Amphoteric metal : Alluminium Al + 3NaOH -> ... ?

mathslover (mathslover):

Can you tell me what will be formed here?

mathslover (mathslover):

Al + NaOH = ?

OpenStudy (anonymous):

Na[Al(OH)4] + H2 ??

mathslover (mathslover):

No .. dear Al is less reactive reactive then Na hence it will not be able to displace Na from NaOH ..

mathslover (mathslover):

that's why i asked you this

OpenStudy (anonymous):

Oh... so I'm not quite sure what the complex ion would be :S

OpenStudy (anonymous):

Does it involve [Al(OH)4]-1 ?

mathslover (mathslover):

First of all the valency of Al is 3+ and OH is 1- so \[\large{Al_1(OH)_3=Al(OH)_3}\]

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