¹H NMR spectrum of [18]– annulene shows · ABC26OR0705
Subject: Organic Chemistry · Chapter: Organic Spectroscopy · Topic: Organic Spectroscopy – General · Exam: GATE 2000-2022 · Marks: 2 · Difficulty: Easy
$^{1}\mathrm{H}$ NMR spectrum of [18]– annulene shows
(a)Only one peak at $\delta\ 7.2\ (18\ \mathrm{H})$
(b)Only one peak at $\delta\ 5.0\ (18\ \mathrm{H})$
(c)Two peaks at $\delta\ 9.0\ (12\ \mathrm{H})$ and $\delta\ {-3.0}\ (6\ \mathrm{H})$
(d)Two peaks at $\delta\ 9.0\ (6\ \mathrm{H})$ and $\delta\ {-3.0}\ (12\ \mathrm{H})$
Answer
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