Third choice because the others make no sense
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https://www.quora.com/Why-is-fresly-prepared-FeSO4-required-for-the-ring-test
Answer:
the correct answer is c
Explanation:
becuase i had the same question
Hey there!
Oxygen needs two bonds to have a valence orbital of s²p⁶.
In a hexanal molecule, oxygen has a double bond with one carbon atom.
A double bond is when two pairs of electrons are being shared.
So your answer is b. 2.
Hope this helps!
