H3PO4 og Identify the nucleophile: Xo H2PO42- H20 H30+ H3PO4 A B C D E OA OB D OE H3PO4 What type of carbon does the nucleophile attack? O methyl O primary secondary O tertiary O quaternary Choose the compound with the most intense IR signal at ~1700 cm-1. CI CI CI CI A B D A OD Choose the compound with the greatest number of 13C-NMR signals: A. B C D A O B O D -1 Choose the compound with the broadest IR signal between 3600 cm-- and 3000 cm n1 moli . B D A ) B ) D