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Give the full electron configuration for the sodium ion, Na+.

1s 2 2s 2 2p 6
AH
Answered by Anna H. • Chemistry tutor
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What sort of mechanism is used during monobromination of benzene?

Electrophilic Substitution
Answered by • Chemistry tutor
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How would you determine the pH of a solution?

pH is a measure of acidity and alkalinity. In fact, pH is a logarithmic scale from 0 to 14, with 0 being acidic and 14 being alkaline. When there is a high concentration of H + ions then the solution is acid...
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Predict the number of peaks in a carbon-13 NMR spectrum of the following carbonyl isomers of C5H8O. (i) CH3CH2CH2CH2CHO (ii) (CH3)3CCHO (iii) CH3COCH(CH3)2

(i) 5 peaks (ii) 3 peaks(iii) 4 peaks
ED
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Describe how a buffer solution based on hydrochloric acid can act as a buffer. (5)

HCl ⇌ H++ Cl- (1) Added alkali: H + reacts with added alkali/OH - (1) Equilibrium shifts right forming Cl - or H + (1) Added acid: Cl - reacts with added acid/H + (1) Equilibrium shifts left forming HCl (1)
DR
Answered by Daisy R. • Chemistry tutor
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