Question

question 2. drag the correct name of the compound to match its chemical formula.
chemical formula\tcompound name
cuso₄\t
nh₄no₃\t
sn(oh)₂\t
caco₃\t
copper sulfate\tcopper(i) sulfate\tcopper(ii) sulfate\tcopper(iii) sulfate\tammonia nitrogen\tammonium nitrate
ammonium nitrite\tammonia nitride\ttin oxide\ttin hydroxide\ttin(ii) hydroxide\ttin(iv) hydroxide
calcium carbonate\tcalcium bicarbonate\tcalcium carbon\tcalcium(ii) carbonate

Explanation:

Step1: Analyze $\ce{CuSO_{4}}$

In $\ce{CuSO_{4}}$, the copper ion has a +2 oxidation state (since sulfate is -2, and to balance, $\ce{Cu}$ is +2). So the name is Copper(II) sulfate.

Step2: Analyze $\ce{NH_{4}NO_{3}}$

$\ce{NH_{4}^+}$ is ammonium ion and $\ce{NO_{3}^-}$ is nitrate ion, so the name is Ammonium nitrate.

Step3: Analyze $\ce{Sn(OH)_{2}}$

$\ce{Sn}$ here has a +2 oxidation state (hydroxide is -1, two hydroxides give -2, so $\ce{Sn}$ is +2), so it's Tin(II) hydroxide.

Step4: Analyze $\ce{CaCO_{3}}$

$\ce{Ca^{2+}}$ is calcium ion and $\ce{CO_{3}^{2-}}$ is carbonate ion, so the name is Calcium carbonate.

Answer:

Chemical Formula	Compound Name
$\ce{NH_{4}NO_{3}}$	Ammonium nitrate
$\ce{Sn(OH)_{2}}$	Tin(II) hydroxide
$\ce{CaCO_{3}}$	Calcium carbonate