Draw Lewis structures for the carbon monoxide molecule (CO), the carbon dioxide molecule (CO2), and the methanol molecule (CH3OH) and below: C
a. What is the bond order of the carbon-oxygen bond in the carbon monoxide molecule?
b. Which species has the shortest carbon-oxygen bond, CO, CO2, or CH3OH?
a) carbon dioxide
b) carbon monoxide
c) methanol
c. Which species has the weakest carbon - oxygen bond, CO, CO2or CH3OH?
a) carbon dioxide
b) carbon monoxide
c) methanol

Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?

The scheme below is from a series of reactions that are part of a synthesis of vitamin a. answer the following questions with reference to this scheme. (i) what is "reagent a"? (ii) draw a step-by-step mechanism which explains the formation of compound c from compound b (iii) which reagents would you use to form compound e from compounds c and d (reagents b and c)? for each reagent suggested above in (ii) explain the role of the reagent in the reaction to (iv) form compound e. you may wish to do this by drawing a mechanism. 1. addition of reagent a но reagent a 2. н,о" thо oh нон-с compound a. compound b. compound c .ch-оh 1. reagent b "сно 2. reagent c сh oh compound e. compound d.

What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.