chem q

[inaccensa]

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CaH2+2BH3-->2BH4+Ca2+
What type of reaction is this?
Lewisacid/base
Bronstead acid/base
oxidation/reduction

I thought it would be oxidation reduction, but its lewis acid base.

 

[dorjiako]

CaH2+2BH3-->2BH4+Ca2+
What type of reaction is this?
Lewisacid/base
Bronstead acid/base
oxidation/reduction

I thought it would be oxidation reduction, but its lewis acid base.

BH3 has an incomplete octet and would love to get an electron pair to complete it to 8 which CAH2 is willing to donate. So, BH3 is accepting an electron pair(ELECTRON ACCEPTOR) from CAH2(ELECTRON DONOR).Hence, lewis base and acid.

 

[indianjatt]

CaH2+2BH3-->2BH4+Ca2+
What type of reaction is this?
Lewisacid/base
Bronstead acid/base
oxidation/reduction

I thought it would be oxidation reduction, but its lewis acid base.

Are you sure it didn't say BH4+. The charge would indicate no oxidation/reduction.

 

[inaccensa]

Are you sure it didn't say BH4+. The charge would indicate no oxidation/reduction.

Will check the q again.

 

[vayntraubinator]

Inaccensa, seems like your posting a lot of problems regarding oxidation/reduction.

I would recommend doing them twice 👍

Get comfortable with these problems, so you have it down cold for the mcat