Organic Chemistry Answers

balance [thioredoxin]-dithiol and cumene hydroperoxide yield 2-phenylpropan-2-ol, [thioredoxin]-disulfide, and water

Calculate the normal tea and molarity of the following

1/10 mol of H2SO4 in 500 ml of solution

Write down the appropriate half-cell reactions and overall equation for the dissolution of lead sulphate (PbSO₄) at 298 K. From the standard reduction potentials deduce the solubility for lead sulphate (PbSO₄) at 298 K.

the alcohol that gives turbid mixture when mixed with lucas reagent after warming at 60c after 5 minutes in:

a) 2-methylpropanol

b) 2,2-dimethylpropanol

c) Propanol

D) ethylene glycol

Use the following information to determine the enthalpy for the reaction shown below.

 CO₂(g) + 2SO₂(g) --> CS₂(l) + 3O₂(g)     ΔH^o = ?

C(graphite) + O₂(g) --> CO₂(g)            ΔH^o = −393.5 kJ

S(s) + O₂(g) --> SO₂(g)                        ΔH^o = −296.8 kJ

C(graphite) + 2S(s) --> CS₂(l)             ΔH^o = 87.9 kJ

What weight of strontium acetate containing 99% 

Sr(CH3COO)2 • ½H2O must be used as sample in an assay 

according to the general method for alkali salts of organic acids 

if, after treatment of the ash with 50 ml of 0.5162 N 

hydrochloric acid acid, it is desirable to consume 30 ml of 

0.4675 N sodium hydroxide in the back titration?

what are the structures and products that cyclodecane produce when it reacts with excess NBS and hv

     Explain, in terms of intermolecular forces, why ethane nitrile and hexane are not miscible.

Write IUPAC names of the products obtained by the ozonolysis of the following compounds:

 (i) Pent-2-ene 

 (ii) 3, 4-Dimethylhept-3-ene

With reasons, arrange the following: ( 4mks)

(i) In increasing order of basic strength: C6H5NH2, C6H5N(CH3)2, (C2H5)2 NH and CH3NH2.

(ii) In increasing order of boiling point: C2H5OH, (CH3)2NH, C2H5NH2