Organic Chemistry Answers

which ions are present in an aqueous solution of iron(ii) tetraoxosulphate(vi)

Calculate the potential for the following redox reaction:

2Fe3+(aq) + Sn2+(aq) ↔ Sn4+(aq) + 2Fe2+(aq)

for a solution in which [Fe3+] = 0.050 M, [Fe2+] = 0.030 M, [Sn2+] = 0.015 M and

[Sn4+] = 0.020 M. Fe3+/ Fe2+ = 0.771 V; Sn4+/ Sn2+ = 0.154 V.

Also show the balanced oxidation and reduction half‐reactions.

Explain why the following names are never used in the IUPAC system

(I) 1,3-dimethylpropane (ii) 2-ethylhexane

(iii) 3-isopropylpentane (iv) 1,3,5-trimethylpentane

Comapre and explain the basicities of ammonia, ethylamine and phenylamine

Calculate pI for the titration of 50.0 mL of 0.0250 M KI after adding 25.0 ml of

0.0500 M AgNO3.

A tank of O2 used at home for a patient with pulmonary disease has a pressure of 220mmhg 2.0 moles of gas and a volume of 4.0l. What will the pressure be when the volume expands to 5.0L and 3.0 moles of O2 is added when the temperature does not change

Calculate the mass of cucl2 that would be require to obtain 10.0g of pure copper

Which transition metals are paramagnetic but can easily form ferromagnetic alloys with other metals?

Which group shows more inductive effect and why? Dimethylamino or chlorine.

Compare the inductive effect in 4-dimethylaminopyrdine and 4-chloropyridine with reason.