Match the following solutions in column A with their descriptions in column B. Column A
Li3PO4

Ba(OH)2

NH3

HCOOH

HBr

C12H22O11

Column B
A. Turns red litmus paper blue and is very conductive

B. Turns blue litmus paper red and is very conductive

C. Has a pH less than 7 and is slightly conductive

D. Has a pH greater than 7 and is slightly conductive

E. Has a pH of 7 and is a non electrolyte

F. Has a Ph of 7 and is conductive

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.