chem module 6

• Which compound is used as a standard for NMR chemical shift measurements

  TMS - Si(CH3)4
• regeneration of the catalyst

  • H+ + $AlCl_4^-$ $\rightarrow$ $AlCl_3$ + HCl
  • H+ + $FeCl_4^-$ $\rightarrow$ $FeCl_3^{ }$ + HCl