IB Chemistry SL 3.2 How Much? Question Bank

Practise IB Chemistry SL 3.2 with evidence-led questions on moles, quantities, calculations and chemical measurements.

Covered syllabus points

3.2.1—Organic formulas 3.2.2—Functional groups 3.2.3—Homologous series 3.2.4—Physical property trends 3.2.5—IUPAC nomenclature 3.2.6—Structural isomers

[Maximum number: 3]

Strychnine, $\mathrm{C}_{21} \mathrm{H}_{22} \mathrm{~N}_{2} \mathrm{O}_{2}\left(M_{\mathrm{r}}=334.4\right)$ , is a white crystalline solid obtained from plants.

(a)

The formula of strychnine is:

Figure for Question (a) — IB Chemistry SL

[ 3 ]

(i)

State the type of structural formula shown.

[ 1 ]

(ii)

State the name of the functional group containing the nitrogen atom labelled "1".

[ 1 ]

(iii)

State the number of rings in strychnine's structure.

[ 1 ]

[Maximum number: 2]

Alkenes, such as A (shown below), are important intermediates in the petrochemical industry because they undergo addition reactions to produce a wide variety of products, such as the conversion shown below.

Figure for Question 3.2 Functional groups: Organic compounds question 2 — IB Chemistry SL

(a)

Applying IUPAC rules, state the name of A.

[ 1 ]

(b)

In the gas phase, A reacts with hydrogen to form D.

Figure for Question (b) — IB Chemistry SL

[ 1 ]

(i)

State the homologous series to which D belongs.

[ 1 ]

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Covered syllabus points

3.2 Functional groups: Organic compounds question 1

Question (a)

Question (i)

Question (ii)

Question (iii)

3.2 Functional groups: Organic compounds question 2

Question (a)

Question (b)

Question (i)