41. Identify the major product of the reaction: D. Pd H,CH,C CH,CH, CH,CH, CH,CH, H H,CH,C CH,CH, CH,CH, H,CH,C H,CHC H,CH,C B 42. What is the product from the following elimination reaction? H,C CH NAOCH, CH,OH H3C "Br heat D 43. What is the structure of A in the following reaction? H,O, H* A. HO a. 3-methyl-1-pentene b. 2-methyl-2-pentene c. 3-methyl-2-pentene d. 2-methyl-3-pentene 44. What is the major product of the following reaction? H,SO, H20 D) A) OH B) OH C) 45. What is the reagent used for the following reaction? ? a. CHBr3, NaOH, H20 b. mCPBA c. CH22, Zn(Cu) d. O3, then Me2S

How to calculate a retation time ? Can you give me an example with peaks please

I have calculated this problem various times, but every time I input the answer into the assignment it says it's wrong, I can't find the issue. What could it be?

The below drawing shows the equilibrium vapor pressure of a pure liquid. Select the drawing that represents the equilibrium vapor pressure when a nonvolatile solute is dissolved in the liquid? a)