The boiling points of the alcohols increase as their relative molecular mass increases. Which alcohol has the highest boiling point?

5070_s12_qp_11

MCQ

2012

Paper 1, Variant 1

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Which organic compound requires the least oxygen for the complete combustion of one mole of the compound?

5070_s13_qp_12

MCQ

2013

Paper 1, Variant 2

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Which compound, on combustion, never forms carbon?

5070_s14_qp_11

MCQ

2014

Paper 1, Variant 1

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Which compound, on combustion, never forms carbon?

5070_s14_qp_12

MCQ

2014

Paper 1, Variant 2

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One mole of each alkane undergoes complete combustion. Which alkane will produce seven moles of products?

5070_s17_qp_11

MCQ

2017

Paper 1, Variant 1

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One mole of each alkane undergoes complete combustion. Which alkane will produce seven moles of products?

5070_s17_qp_12

MCQ

2017

Paper 1, Variant 2

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The table shows the energy released by the complete combustion of some compounds. compound formula Mr ∆H in kJ / mol benzene C6H6 –3270 heptane C7H16 –4800 octane C8H18 –5510 propane C3H8 –2200 Which compound releases the least energy when 1 g is completely burned?

5070_s19_qp_11

MCQ

2019

Paper 1, Variant 1

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Which organic compound requires the least number of moles of oxygen for the complete combustion of one mole of the compound?

5070_s19_qp_11

MCQ

2019

Paper 1, Variant 1

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The table shows the energy released by the complete combustion of some compounds. compound formula Mr ∆H in kJ / mol benzene C6H6 –3270 heptane C7H16 –4800 octane C8H18 –5510 propane C3H8 –2200 Which compound releases the least energy when 1 g is completely burned?

5070_s19_qp_12

MCQ

2019

Paper 1, Variant 2

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Which organic compound requires the least number of moles of oxygen for the complete combustion of one mole of the compound?

5070_s19_qp_12

MCQ

2019

Paper 1, Variant 2

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