Respuesta :

joseaaronlara

Answer:

The answer to your question is letter d. Ca₂NO₃

Explanation:

a. NH₄Cl   This formula is correct             NH₄⁺¹   +   Cl⁻¹   =  NH₄Cl

b. Ba(OH)₂  This formula is also correct   Ba⁺²     +   OH¹⁻ =  Ba(OH)₂

c. Na₂SO₄   This formula is correct           Na⁺¹     +   SO₄⁻² = Na₂SO₄

d. Ca₂NO₃   This formula is wrong            Ca⁺²    +   NO₃⁻¹ = Ca(NO₃)₂

e. Cu(CN)₂   This formula is correct          Cu⁺²     +   CN⁻¹  =  Cu(CN)₂

mahima6824soni

One of the following formulas of ionic compounds is the least likely to be correct is [tex]\rm Ca_2NO_3[/tex].

The correct option is d.

What is an ionic compound?

Ionic compounds are made up of ions that are held together by electrostatic forces. Examples: NaCl, or table salt, is an ionic substance.

Calcium nitrate is an inorganic calcium nitrate salt. It has a fertilizing function.

It's a calcium salt and an inorganic nitrate salt.

Thus, the correct option is d, [tex]\rm Ca_2NO_3[/tex].

Learn more about the ionic compounds, here:

https://brainly.com/question/9167977