Which compounds are lewis acids? select all that apply. (ch3ch2)2hc+ cl3c− ch3nh2 bbr3?

The Lewis acids are electron pair acceptors due to the availability of vacant orbitals they accept electrons from the donor compounds.

is a Lewis acid due to the unfilled valence shell on carbon atom (possessing positive charge) it accepts electron readily. is not a Lewis acid due to the presence of negative charge which represents that there are electrons available for donation. is not a Lewis acid due to the presence of lone pair on nitrogen which is easily donated to the acceptors. is a Lewis acid due to the availability of vacant p-orbital on boron atom.

Hence, and are Lewis acids.

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