OCR A LEVEL Chemistry A PAPER 2 2023 (H432/02: Synthesis and analytical techniques)

OCR A LEVEL Chemistry A PAPER 2 2023 (H432/02: Synthesis and analytical techniques). DOWNLOAD OFFICIAL AND VERIFIED OCR A LEVEL Chemistry A PAPER 2 2023 on Hackedexams.com INSTANTLY. 1 Which compound is used for proton exchange in NMR spectroscopy? A CCl4 B CDCl3 C D 2 O D Si(CH 3 ) 4 Your answer [1] 2 Which compound reacts with 2,4-dinitrophenylhydrazine but does not react with Tollens’ reagent? A C6 H 5 COCOOH B C 6 H 5 CH(OH)CHO C CH 3 COCHO D CH 3 CH 2 CH(OH)CH 3 Your answer...