Which compound contains nitrogen with an oxidation number of +3?

For the following, determine the type of reaction and then give products.

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.

What is the correct lewis structure for chloroform chcl3