JEE Main 2018Session, Shift 1ChemistryHardEquilibrium123× since 2002Which of the following are Lewis acids?AOption A. BCl₃ and AlCl₃BOption B. PH₃ and BCl₃COption C. AlCl₃ and SiCl₄DOption D. PH₃ and SiCl₄CheckSkip · show solution