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The p orbitals on each carbon atom in benzene overlapThere is delocalisation of electrons in the ring (not 3 localised C==C double bonds)This makes benzene more thermodynamically stable than predictedIt t...
pH measures the concentration of H+ (protons) in an aqueous solution. pKaCWAnswered by Charmaine W. • Chemistry tutor2780 Views
Answer: Sulphuric acid and potassium dichromate.
H2SO4 fully dissociates into ions (strong acid). It is diprotic therefore concentration of H+ ions is twice that of the acid = 0.4 M. pH = -log[H+] = -log[0.4] ...
AsH3 is a larger molecule than PH3 as As is lower down the periodic table, so has a higher atomic number so more electrons. Therefore AsH3 has more electrons than PH3 mean...
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