‘H NMR Of Methane, Ethane, Propane

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8 Terms

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Methane

0.25 ppm and has 1 signal n=adjacent carbons (with different carbons)

2
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Ethane

0.9 PPM and has 1 signal because all the hydrogens are the same. N=0 number of adjacent carbons with different hydrogens

3
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<p>Propane</p>

Propane

Has two signals (because it has 3 carbons, and 2 different types of H’s)

6 H’a (1st time of H) Signal at .9

2 Hb (2nd time of H) Signal at 1.3

in this example

There is two carbons with 3 H each (Ha)

And one carbon with 2 H (that what makes them different) HB

Multiplicity:

Ha is a triplet (n=2+ 1= triplet ) (number of hydrogens on adjacent carbon that are different from Ha)

Hb: Septet (n=6+1= septet) i

<p>Has two signals (because it has 3 carbons, and 2 different types of H’s)</p><p>6 H’a (1st time of H) Signal at .9</p><p>2 Hb (2nd time of H) Signal at 1.3</p><p>in this example</p><p>There is two carbons with 3 H each (Ha)</p><p>And one carbon with 2 H (that what makes them different) HB</p><p>Multiplicity:</p><p>Ha is a triplet (n=2+ 1= triplet ) (number of hydrogens on adjacent carbon that are different from Ha)</p><p>Hb: Septet (n=6+1= septet) i</p>
4
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Diethyl ether

1.1 PPM for 6 ha’s

Has 2 different types of HA AND HB

4 HB is 3.3 PPM

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