QUESTION 1 1
1(a)
Consider the reaction of (R)-2-chloro-3-methylbutane with sodium iodide to form a
product.
Draw the reaction scheme with the correct stereochemistry (reactant + Nal → product
+ NaCl). Circle the nucleophile and draw a rectangle around the electrophile. (5)
What is the symbol used for mechanism shown in 1(a)?
(1)
1(b)
1(c)
1(d)
If the sodium iodide was replaced with sodium hydroxide, the product is an
ALKENE. Draw a reaction MECHANISM to show how this happens.
(4)
Draw the reaction energy diagram for the reaction in 1(c) and label the activation
energy
(3)
Using any alcohol with five carbons, and any carboxylic acid with six carbons, draw a
reaction to show how we would make an ester.
(4)
Describe the practical on esters.
(5)
[22]
1(e)
1(f)
OUESTION 2

electron microscopy and scanning tunneling microscopes gives us a greater understanding of atoms by being able to see the atom itself, and lets us see some atomic reactions.

explanation:

n2(g) + 3h2-> 2nh3(g)   this is the balanced equation

note the mole ratio between n2, h2 and nh3.   it is 1 : 3 : 2   this will be important.

moles n2 present = 28.0 g n2 x 1 mole n2/28 g = 1 mole n2 present

moles h2 present = 25.0 g h2 x 1 mole h2/2 g = 12.5 moles h2 present

based on mole ratio, n2 is limiting in this situation because there is more than enough h2 but not enough n2.

moles nh3 that can be produced = 1 mole n2 x 2 moles nh3/mole n2 = 2 moles nh3 can be produced

grams of nh3 that can be produced = 2 moles nh3 x 17 g/mole = 34 grams of nh3 can be produced

note:   the key to this problem is recognizing that n2 is limiting, and therefore limits how much nh3 can be produced.

pie chart because it is in percents ( % )

i think its 5049.

i hope this !