Which compound gives the following 1H NMR spectrum?
Which of the following C4H7OCl compounds best fits the proto…
Which of the following C4H7OCl compounds best fits the proton NMR spectrum shown below? (The numbers above the peaks are integration values.)
A compound with molecular formula C4H11N exhibits a triplet…
A compound with molecular formula C4H11N exhibits a triplet at d 0.9 (3H), a doublet at d 1.1 (3H), a quintet at d 1.4 (2H), a singlet at d 1.7 (2H) and a sextet at d 2.8 (2H) in its 1H NMR spectrum. Its IR spectrum shows two medium absorption bands near 3400 cm-1. What is the IUPAC name of this compound?
Which of the following compounds fits the proton NMR shown b…
Which of the following compounds fits the proton NMR shown below?
Which of the following compounds gives a 1H NMR spectrum con…
Which of the following compounds gives a 1H NMR spectrum consisting of only a singlet?
Which of the following compounds has the most signals in the…
Which of the following compounds has the most signals in the proton-decoupled 13C NMR spectrum?
Which is the most acidic hydrogen?
Which is the most acidic hydrogen?
A compound with molecular formula C8H19N exhibits a triplet…
A compound with molecular formula C8H19N exhibits a triplet at δ 0.9 (6H), a singlet at δ 1.1 (1H), a sextet at δ 1.3 (4H), a quintet at δ 1.4 (4H) and a triplet at δ 2.6 (4H) in its 1H NMR spectrum. Its IR spectrum shows a medium absorption band near 3400 cm-1. Its 13C NMR spectrum showed peaks at δ 13.7, δ 20.5, δ 30.4 and δ 49.2. What is the IUPAC name of this compound?
Which one of the following represents the HOMO of 1,3,5-hexa…
Which one of the following represents the HOMO of 1,3,5-hexatriene?
Which of the following energy diagrams represents the electr…
Which of the following energy diagrams represents the electronic state of the ground state of 1,3-butadiene?