DP Chemistry Questionbank

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• 18M.3.sl.TZ2.16c: Explain why aspirin is not stored in a hot, humid location.
• 18M.3.sl.TZ2.16b: State the type of reaction used to synthesize aspirin from salicylic acid.
• 18M.3.sl.TZ2.16a.ii: State how penicillins may be modified to increase their effectiveness.
• 18M.3.sl.TZ2.16a.i: Describe how penicillin combats bacterial infections.
• 18M.3.sl.TZ1.13c.iv: State how penicillins may be modified to increase their effectiveness.
• 18M.3.sl.TZ1.13c.ii: Describe how penicillin combats bacterial infections.
• 18M.3.sl.TZ1.13c.i: Compare and contrast the IR spectrum of aspirin with that of salicylic acid, using section 26 of...
• 18M.3.sl.TZ1.13b.ii: Outline how the bioavailability of aspirin may be increased.
• 18M.3.sl.TZ1.13a: Aspirin is often taken to reduce pain, swelling or fever. State one other use of aspirin.
• 17N.3.sl.TZ0.21: Molecules of antibiotics often contain a beta-lactam ring. Explain the importance of the...
• 17N.3.sl.TZ0.17a: Aspirin is a mild analgesic derived from salicylic acid found in willow bark. Describe how mild...
• 17N.3.hl.TZ0.22b: Describe how mild analgesics function.
• 17M.3.hl.TZ2.20a.iv: State two techniques, other than IR spectroscopy, which could be used to confirm the identity of...
• 17M.3.sl.TZ2.15b.i: State how aspirin can be converted to water-soluble aspirin.
• 17M.3.sl.TZ2.15a.iii: State two techniques which could be used to confirm the identity of aspirin.
• 17M.3.sl.TZ1.19d: Organic molecules can be characterized using infrared (IR) spectroscopy. Compare and contrast...
• 17M.3.sl.TZ1.19c: A student prepares aspirin from salicylic acid in the laboratory, extracts it from the reaction...
• 17M.3.sl.TZ1.19b: Formulate an equation for the conversion of aspirin to a more water soluble derivative.
• 17M.3.sl.TZ1.19a: Suggest why aspirin is slightly soluble in water. Refer to section 37 of the data booklet.
• 16N.3.sl.TZ0.18d: State why aspirin is described as a mild analgesic with reference to its site of action.
• 16N.3.sl.TZ0.16b: (i) Some antibiotic-resistant bacteria produce a beta-lactamase enzyme which destroys penicillin...
• 16N.3.sl.TZ0.16a: (i) Outline what is meant by the term “ring strain”. (ii) On the diagram above, label with...
• 16M.3.sl.TZ0.16a: Explain the importance of the beta-lactam ring in the antibiotic activity of penicillin.
• 15M.3.hl.TZ1.15a.i: The structure of aspirin is shown in table 20 of the data booklet. Suggest a suitable reagent for...
• 15M.3.hl.TZ1.15a.ii: Explain the advantage of converting aspirin into its sodium salt.
• 15M.3.hl.TZ2.21a.ii: The beta-lactam ring is highly reactive and enables penicillins to be effective antibacterials....
• 15M.3.sl.TZ1.13a: Deduce which drugs could be morphine, aspirin and codeine.   Morphine:   Aspirin:   Codeine:
• 15M.3.sl.TZ2.18a.i: Explain how penicillins work as antibacterials.
• 15M.3.sl.TZ2.18a.ii: The R group in the general structure of penicillin shown below represents a side-chain which is...
• 14M.3.hl.TZ2.15a: Describe how mild analgesics function.
• 14M.3.hl.TZ2.15b: (i)     Outline why this substance is more soluble than standard aspirin in water.   (ii)   ...
• 14M.3.sl.TZ1.11d: A normal aspirin tablet taken to relieve pain contains about 300 mg of aspirin. Certain adults...
• 14M.3.sl.TZ2.11b: (i)     Outline why this substance is more soluble than standard aspirin in water.     (ii)   ...
• 14M.3.sl.TZ2.11a: Describe how mild analgesics function.
• 14N.3.hl.TZ0.17b: Explain how penicillins work and why it is necessary to continually modify the side-chain.
• 14N.3.hl.TZ0.17c: Explain the importance of the beta-lactam ring in the action of penicillin.
• 14N.3.sl.TZ0.13a: Explain the way that mild and strong analgesics prevent pain.   Mild...
• 14N.3.sl.TZ0.16b: Explain how penicillins work and why it is necessary to continually modify the side-chain.
• 13N.3.hl.TZ0.16c.iii: Suggest how the aqueous solubility of cathine or PPA could be increased to facilitate its...
• 13M.3.sl.TZ1.D1a: Explain how mild and strong analgesics prevent pain.   Mild analgesics:       Strong...
• 13M.3.sl.TZ1.D1c: State a reason why it is dangerous to use aspirin while consuming alcohol.
• 13M.3.hl.TZ2.D3a.i: Identify the class of drugs to which this particular drug belongs.
• 13M.3.hl.TZ2.D3b.ii: Suggest one way in which the polarity of doxycycline could be substantially increased.
• 13M.3.hl.TZ2.D3a.ii: Explain the high reactivity of the part of the drug that is enclosed in the circle.
• 13M.3.hl.TZ2.D3a.iii: Suggest why the drug is administered as its sodium salt.
• 13M.3.sl.TZ2.D1b: Describe the different ways in which aspirin and diamorphine function when they relieve or...
• 13M.3.sl.TZ2.D2d: Ethanol may exert a synergistic effect when taken with other medicines. State the meaning of the...
• 13M.3.sl.TZ2.D3b: Sodium piperacillin has a different side chain to the original penicillin developed by Florey and...
• 13M.3.sl.TZ2.D3c: Explain why it may be necessary to give a mixture of several different types of antibacterials...
• 13M.3.sl.TZ2.D1a: Other than the benzene (aromatic) ring, state the name of the functional group that is common to...
• 13M.3.sl.TZ2.D3a: Explain how penicillins are able to cure certain diseases caused by bacteria.
• 13M.3.sl.TZ2.D1c: Other than the prevention of pain and/or the reduction of fever, state one reason why aspirin is...
• 12N.3.hl.TZ0.D4: The efficiency of a drug depends on the polarity of its molecule. Explain how the polarity of a...
• 12N.3.sl.TZ0.D1c: The efficiency of certain drugs is strongly dependent on the frequency and regularity of their...
• 10N.3.sl.TZ0.D4b: Discuss three methods in which the activities of humans has created an increase in the resistance...
• 09N.3.hl.TZ0.D1c: State the type of hybridization of each of the carbon atoms (I, II, and III) in the \(\beta...
• 09N.3.sl.TZ0.D1a.ii: Describe the mode of action of penicillins in treating infectious diseases.
• 09N.3.sl.TZ0.D1b.i: Identify two functional groups present in the side chain (R) of ampicillin by comparing its...
• 09N.3.sl.TZ0.D1b.ii: Explain why it is important to continue to develop semi-synthetic penicillins.
• 10M.3.hl.TZ1.D2c: The active part of penicillins is the beta-lactam ring. Determine the functional group present in...
• 10M.3.sl.TZ1.D1a: Aspirin is thought to interfere with the production of prostaglandins. Explain how this produces...
• 10M.3.sl.TZ1.D1b: Explain how morphine can prevent pain.
• 10M.3.sl.TZ1.D2b: Modern penicillins have a similar structure to Penicillin G but a different side-chain. State...
• 10M.3.sl.TZ1.D1c: Paracetamol (acetaminophen) is generally considered to be safe to use as an analgesic in small...
• 10M.3.sl.TZ1.D1d: State one important use for aspirin other than the relief of pain and fever.
• 10M.3.sl.TZ1.D2a: Explain how penicillins are able to act as antibacterials.
• 10M.3.sl.TZ2.D3: (a)     Describe how mild and strong analgesics provide pain relief. Mild analgesics: Strong...
• 09M.3.sl.TZ1.D1b: Compare how mild and strong analgesics relieve pain in the body.
• 09M.3.hl.TZ2.D2a: Aspirin is virtually insoluble in water. Use Table 20 in the Data Booklet to explain how aspirin...
• 09M.3.hl.TZ2.D4b: Describe the composition and structure of the beta-lactam ring in penicillin and explain its...
• 09M.3.sl.TZ2.D4b: Describe and explain one effect of overprescription of antibacterials.
• 09M.3.sl.TZ2.D4a: With reference to the structure above, state what the letter R represents and discuss how...
• 11M.3.sl.TZ2.D1a.ii: Explain why it is dangerous to take aspirin when ethanol has also been consumed.
• 12M.3.hl.TZ1.D2c: Identify the particular structural feature of penicillins that is responsible for their action...
• 12M.3.sl.TZ1.D3c: Describe two misuses of antibiotics that have led to some bacteria becoming resistant.
• 12M.3.hl.TZ2.D3e: Comment on the fact that many bacteria are now resistant to penicillins.
• 12M.3.sl.TZ2.D3c: Explain how penicillin works and why it is necessary to continue to develop new forms of...
• 11N.3.hl.TZ0.D5a.i: State the equation for the formation of the ionic salt of aspirin,...
• 11N.3.sl.TZ0.D4b: Discuss two problems associated with the overprescription of penicillin and explain how these are...
• 11N.3.sl.TZ0.D4a: Identify the side-chain by drawing a circle around the side-chain in the structure of benzyl...