What is the length of conjugated bond? how can i approximate it?
plus,
double : single =1: 2(cannot be conjugated),
length of double : single=1: 1> > length of double : single=2: 1
is that correct?

Figure 10-1 study figure 10-1. the strong nuclear force felt by a single proton in a large nucleus

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.

Which of the following describes a situation where competition between producers exists