Question

1. which of the following is the correct name for \\(\text{n}_2\text{o}_5\\)?

a) nitrous oxide

b) dinitrogen pentoxide

c) nitrogen dioxide

Explanation:

Identify the elements and subscripts

$$ \text{Formula: } \text{N}_2\text{O}_5 $$

$$ \text{Elements: Nitrogen (N), Oxygen (O)} $$

$$ \text{Subscripts: 2 for Nitrogen, 5 for Oxygen} $$

Apply covalent naming prefixes

$$ \text{Prefix for 2: di-} ightarrow \text{dinitrogen} $$

$$ \text{Prefix for 5: penta-} ightarrow \text{pentoxide} $$

Combine the terms

$$ \text{Name: dinitrogen pentoxide} $$

Answer:

• A) nitrous oxide
• B) dinitrogen pentoxide (Correct answer)
• C) nitrogen dioxide