Which of These Compounds Absorbs at the Longest Wavelength in the UV-Visible

Q51: The pK_a of cyclopentadiene is found to

Q52: For which of the following substances,C₉H₁₀O,would the

Q53: 4-Amino-2-chlorophenol is: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5902/.jpg" alt="4-Amino-2-chlorophenol is:

Q54: Of the following C-10 compounds,which is expected

Q55: Cumene is the name commonly assigned to:<br>A)Hydroxybenzene<br>B)Aminobenzene<br>C)Ethylbenzene<br>D)Isopropylbenzene<br>E)Isobutylbenzene

Q57: Predict the product of the reaction of

Q58: Pyrrole is not particularly basic,because the lone

Q59: Of Hückel's requirements for aromatic character,only

Q60: Which compound would you NOT expect to

Q61: On the basis of molecular orbital theory