Small, highly charged metal cations may interact with H2O to give solutions that are not neutral. Which net ionic chemical equation correctly represents the reaction of Cu(NO3)2 with water?

a. Cu2+(aq) + H2O(l) ⇌ Cu(OH)1-(aq) + H+1(aq)
b. Cu2+(aq) + H2O(l) ⇌ Cu(OH)1+(aq) + H+1(aq)
c. Cu2+ (aq) + H2O(l) ⇌ CuH3+(aq) + H1- (aq)

Option B is correct.

The net ionic chemical reaction when Cu(NO₃)₂ reacts with water is

Cu²⁺(aq) + H₂O(l) ⇌ Cu(OH)¹⁺(aq) + H¹⁺(aq)

Explanation:

When ions dissolve in polar solvents (in water especially), then often attract ions of opposite signs.

Cu(NO₃)₂ dissolves into Cu²⁺ & NO₃⁻ and water contains H¹⁺ & OH⁻

The Cu²⁺ attracts the OH⁻ from water, thereby giving the Cu(OH)¹⁺ ion (with a net charge of +2-1 = +1) and the NO₃⁻ takes up the H⁺ ion.

i believe it is-

d.) gravity pulled particles of dust and gas together to form planets.

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