Problem: Which of the following can act as a Lewis base? Cr3+, SO3, CH3NH2, BeCl2A. SO3 onlyB. SO3, CH3NH2C. CH3NH2 onlyD. CH3NH2, BeCl2E. Cr3+, BeCl2

🤓 Based on our data, we think this question is relevant for Professor Smith's class at HUMBOLDT.

FREE Expert Solution

Lewis base is an electron pair donor.

Some characteristics of a Lewis base:

  • Compounds that have lone pair(s) on a central element can act as Lewis bases. 
  • Compounds that possess a negative charge can act as Lewis Bases.


A. Cr3+

  • positively charged 
    • cannot be a Lewis base

B. SO3

  • No lone pairs in the central atom, S
  • Not negatively charged
    • cannot be a Lewis base


View Complete Written Solution
Problem Details

Which of the following can act as a Lewis base? Cr3+, SO3, CH3NH2, BeCl2

A. SO3 only

B. SO3, CH3NH2

C. CH3NH2 only

D. CH3NH2, BeCl2

E. Cr3+, BeCl2

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Lewis Acid and Base concept. You can view video lessons to learn Lewis Acid and Base. Or if you need more Lewis Acid and Base practice, you can also practice Lewis Acid and Base practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Smith's class at HUMBOLDT.