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Ni(NH3)6 2+ what would be a lewis base, acid or bronsted acid base or Pb2+ and...

Ni(NH3)6 2+ what would be a lewis base, acid or bronsted acid base

or Pb2+ and al2+ an example of amphoteric

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Answer #1

A Lewis acid is therefore any substance, such as the H+ ion, that can accept a pair of nonbonding electrons. In other words, a Lewis acid is an electron-pair acceptor. A Lewis base is any substance, such as the OH- ion, that can donate a pair of nonbonding electrons. A Lewis base is therefore an electron-pair donor.

Ni(NH3)6 2+ is a Lewis base

Bronsted Acids are Proton Donors and Bronsted Bases are Proton Acceptors.

An amphoteric compound is a molecule or ion that can react both as an acid as well as a base

1)Al(OH)3 + OH− Al(OH)4− , acting as an acid

3H+ + Al(OH)3 3H2O + Al3+(aq), acting as a base

2)with acid: PbO + 2 HCl → PbCl2 + H2O

with base: PbO + 2 NaOH + H2O → Na2[Pb(OH)4]

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