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Reptile [31]
2 years ago
15

Identify the structure of a compound of molecular formula C4H8O2 that gives the following 1H NMR data: 0.95 (triplet, 3 H), 1.65

(multiplet, 2 H), 2.30 (triplet, 2 H), and 11.8 (singlet 1 H) ppm.
Chemistry
1 answer:
alexgriva [62]2 years ago
6 0

Answer:

It's Butanoic acid

CH3-CH2-CH2-COOH

Explanation:

-CH3 has the 0.95 triplet band

-CH2 has the 1.65 multiplet band having five proton around it

-CH2 has the 2.30 triplet band because it is attached to the carbon bearing the carboxylic group

While the last singlet H at 11.8 is that of the -COOH.

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0.1313 g.

Explanation:

  • It is known that at STP, 1.0 mole of ideal gas occupies 22.4 L.
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<u><em>Using cross multiplication:</em></u>

1.0 mol of hydrogen occupies → 22.4 L.

??? mol of hydrogen occupies → 1.47 L.

∴ The no. of moles of hydrogen that occupies 1.47 L = (1.0 mol)(1.47 L)/(22.4 L) = 6.563 x 10⁻² mol.

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