Zadanie 2a
Compound P contains two amino groups outside the ring system: one bonded directly to the ring and one at the end of the side chain. State which of these is a secondary amino group, giving a reason.
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Compound P contains two amino groups outside the ring system: one bonded directly to the ring and one at the end of the side chain. State which of these is a secondary amino group, giving a reason.
State the number of sp2 hybridized carbon atoms in compound P.
Compare, giving a reason, the length of a carbon–nitrogen bond within the quinazoline ring system with the length of a carbon–nitrogen bond in the diethylamino group.
Compound P can be synthesized by reacting 4,6-dichloroquinazoline with another reactant, B. (i) Deduce the structure of B. (ii) The reaction can be catalysed by copper(I) iodide, CuI. State the ground-state electron configuration of the Cu+ ion.…
How many moles of carbon dioxide are produced by the complete combustion of 14.5 g of butane, C4H10? Mr = 58 A. 0.25 B. 0.50 C. 1.00 D. 1.25
State the ground-state electron configuration for Ni2+.
The mass spectrum for silver is shown. Show how a relative atomic mass of silver of 107.96 can be obtained from this mass spectrum.
Predict, with a reason, whether Ag or Ag+ has the greater ionization energy.
Determine the frequency, in s−1, of a photon that will cause the first ionization of silver. Use sections 1, 2 and 9 of the data booklet.
Outline the magnetic properties of nickel by referring to its electron configuration.