Question

use the naming conventions to complete the following formula-name pairs of binary acids.
match the acid names and chemical formulas in the left column to the appropriate blanks in the chemical formul complete before submitting your answer.
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selenic acid
hypofluorous acid
$h_2te$
$h_2teo_3$
hydrofluoric acid
$hio_3$
hydroselenic acid
hi
acid name: hydrotelluric acid; chemical formula:
acid name: ; chemical formula: hf
acid name: hydroiodic acid; chemical formula:
acid name: ; chemical formula: $h_2se$

Explanation:

Step1: Match hydrotelluric acid

Binary acids with "hydro-" prefix use the formula $\text{H}_n\text{X}$ where X is the anion. Telluride is $\text{Te}^{2-}$, so formula is $\text{H}_2\text{Te}$.

Step2: Match formula HF

HF is a binary acid, named hydrofluoric acid (uses "hydro-" + root of fluorine + "-ic acid").

Step3: Match hydroiodic acid

Hydroiodic acid comes from iodide $\text{I}^-$, so formula is $\text{HI}$.

Step4: Match formula $\text{H}_2\text{Se}$

$\text{H}_2\text{Se}$ is a binary acid, named hydroselenic acid (uses "hydro-" + root of selenium + "-ic acid").

Answer:

1. Acid name: hydrotelluric acid; Chemical formula: $\text{H}_2\text{Te}$
2. Acid name: hydrofluoric acid; Chemical formula: HF
3. Acid name: hydroiodic acid; Chemical formula: $\text{HI}$
4. Acid name: hydroselenic acid; Chemical formula: $\text{H}_2\text{Se}$