Provide the reagents necessary to carry out the following conversion. 1. HOCH2CH2OH/H2SO4
2. LiAlH4
3. CH3CH2MgBr (2 eq)
1. H2SO4
2. CH3CH2OH
3. H3O
1. HOCH2CH2OH/H2SO4
2. CH3CH2MgBr (2 eq)
3. H3O

1. HOCH₂CH₂OH/H₂SO₄

2. CH₃CH₂MgBr (2 eq)

3. H₃O⁺

Explanation:

Assume the conversion is the one in the first Figure.

You want to convert the ester to a 3° alcohol.

However, you must first protect the ketone from reacting.

(i) React the compound with ethylene glycol and sulfuric acid. The ketone is converted to a cyclic acetal.

(ii). Add two molar equivalents of ethylmagnesium bromide. Two moles of the Grignard reagent convert the ester into the magnesium salt of a 3° alcohol.

(iii) Aqueous acid removes the protecting group and converts the salt to an alcohol.

The first set of options is wrong. LiAlH₄ reduces the ester to a 1° alcohol.

The second set of options is wrong. Concentrated sulfuric acid won't do anything. Aqueous sulfuric acid will hydrolyze the ester to methanol and a carboxylic acid. Ethanol will convert the acid to an ethyl ester, but aqueous acid will hydrolyze it again.

calculate how many grams of ammonia can be produced from 4.21 grams of

n2 + 3h2 = 2nh3

my answer:

25.0g n2 x (1 mol/ 28.0gn2) x (2 mol nh3/ 1 mol n2) x (17.0g nh3/ 1 molnh3) = 30.36g n2

25.0g h2 x (1 mol h2/ 2.00g h2) x (2 mol nh3/ 3 mol h2) x (17.0g nh3/ 1 mol nh3) = 141.67g h2

lr = n2

the answer is a! (2.9 x 10^-18 j) hope i could someone. : )