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Chemistry - Hard

1. What is the IUPAC name of the acid that ant release when they sting

methanoic acid
formic acid
ethanoic acid
butanoic acid

2. Which of the following has the highest electronegativity?

Sodium
Chlorine
Fluorine
Magnesium

3. What is this compound called?


1-bromo-2-(bromomethyl)-4,5-dimethoxybenzene
1-bromo-2-(dibromomethyl)-4,5-dimethoxybenzene
1,2-dibromomethyl-4,5-dimethoxybenzene
idk wtf is this question??!!

4. Which of the following elements has 3 valence electrons?

Carbon
Boron
Aluminium
Silicon

5. What is the outermost orbital of Nitrogen?

\(2p^3\)
\(2p^2\)
\(2s^3\)
\(2s^2\)