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Number Of rings present in a compound of molecular formula c8h12 that is hydrogenated to a compound of molecular formula c8h14 is x then x is

Question

Number Of rings present in a compound of molecular formula c8h12 that is hydrogenated to a compound of molecular formula c8h14 is x then x is

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Solution

The number of rings in a compound can be determined using the degree of unsaturation formula, which is:

Degree of Unsaturation = (2C + 2 + N - X - H)/2

Where: C = number of carbons N = number of nitrogens X = number of halogens H = number of hydrogens

For the compound C8H12: Degree of Unsaturation = (2*8 + 2 - 12)/2 = 3

This means there are 3 degrees of unsaturation, which can be either pi bonds or rings.

When the compound is hydrogenated to C8H14, the degree of unsaturation becomes:

Degree of Unsaturation = (2*8 + 2 - 14)/2 = 2

This means there are 2 degrees of unsaturation, which can be either pi bonds or rings.

Since hydrogenation removes pi bonds, the 2 degrees of unsaturation in the hydrogenated compound must be rings. Therefore, the original compound must have had 3 rings (3 degrees of unsaturation) - 1 pi bond = 2 rings.

So, x = 2.

This problem has been solved

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