Question

1.Identify the compound with the longest λmax in an UV spectrum A) Anilinium ion B)Phenol C)Phenolate...

1.Identify the compound with the longest λmax in an UV spectrum

A) Anilinium ion

B)Phenol

C)Phenolate Ion

D)Aniline

E)Benzene

2.Deduce a possible structure for the compound with the IR absorptions below.

C3H5N: 3000, 2250 cm-1

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Answer #1

The correcsponding max values of the given compounds in an UV spectrum are:

Anilinium ion - 254 nm

Phenol - 270 nm

Phenolate ion - 287 nm

Aniline - 280 nm

Benzene - 255 nm

So, Phenolate ion will have the ongest λmax in an UV spectrum.

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