Which Statement Concerning the Tautomeric Forms of Bases Such as Uracil

question 63

Multiple Choice

Which statement concerning the tautomeric forms of bases such as uracil is CORRECT?

• A) The double-lactim form contains a ketone group.
• B) The lactam form contains an alcohol group.
• C) The lactam form predominates at neutral pH.
• D) Formation of the lactim from the lactam is irreversible.
• E) The lactim and double-lactim forms are stabilized at high pH.

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