Dry ice goes directly from the solid phase to the gas phase. What phase
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Refer to the attachment
A molecular formula represents the exact number of atoms present for each element in the compound.
For carbon atom: =
( as molar mass of carbon is 12 g/mol)
Now, 6 carbon atoms are present and rest are hydrogen atoms i.e. 6
Thus, formula becomes (
Now, check for unsaturation:
Degree of unsaturation =
Substitute the value of x and y,
Degree of unsaturation =
=
= implies one ring and three double bonds.
Thus, formula comes out to be i.e. benzene ring.