Question 30
Question 30 of 40
Question image for Q30
Periodic Table
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Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
13. An introduction to AS...
13.1. Formulas, functional groups a...

interpret and use the general, structural, displayed and skeletal formulas of the classes of compound stated in the table on pages 29 and 30

15. Halogen compounds
15.1. Halogenoalkanes

recall the reactions (reagents and conditions) by which halogenoalkanes can be produced: (a) the free-radical substitution of alkanes by \( Cl_2 \) or \( Br_2 \) in the presence of ultraviolet light, as exemplified by the reactions of ethane (b) electrophilic addition of an alkene with a halogen, \( X_2 \), or hydrogen halide, \( HX(g) \), at room temperature (c) substitution of an alcohol, e.g. by reaction with \( HX(g) \); or with KCl and concentrated \( H_2SO_4 \) or concentrated \( H_3PO_4 \); or with \( PCl_3 \) and heat; or with \( PCl_5 \); or with \( SOCI_2 \)