Chemistry Past Questions and Answers

How many structural isomers can be written for the alkyl bromide, C₄H₉Br?

What volume of CO₂ at s.t.p would be obtained by reacting trioxocarbonate (IV) with excess acid?
(G.M.V at s.t.p = 22.4 dm³)

If a current of 1.5 A is passed for 4.00 hours through a molten tin salt and 13.3g of tin is deposited, what is the oxidation state of the metal in the salt?
(Sn = 118.7, F = 96500 C mol^-1)

Which of the following equimolar solutions, Na₂CO₃ Na₂ SO₄CI FeCI₃ CH₃COONa,
have pH greater than 7?

MnO^-₄ + 8H⁺ + ne → Mn⁺⁺ + 4H₂O. Which is the value of n in the reaction above?