MCAT Chemistry

MCAT Practice Exam Questions And Answers With Verified Tests Thin layer chromatography can use silica plates which are very polar. Will polar or non polar substances have lower Rf values on this plate? Polar substances - they will have a higher affinity for the silica and thus will not travel as far as the non polar substances A titration of a strong acid with a strong base or vice versa has an equivalence point around what pH? 7 What type of bond is usually disrupted during denaturation...

What pair of compounds found in Table 1 can form extensive networks of intermolecular hydrogen bonds with both participating? A) Methane and methanol B) Methane and glycine C) Glycine and methanol D) Methanol and carbon dioxide Correct Answer: C) Glycine and methanol The formation of a hydrogen bond requires both a hydrogen bond donor: a molecule with a hydrogen bonded to a highly electronegative atom such as oxygen or nitrogen, and a hydrogen bond acceptor: an electronegative atom (s...