A-Level ChemistryYear 2018Q3
page 03 3. A representation of a d-orbital is shown. x y z The maximum number of electrons that can occupy this orbital is A 2 B 4 C 8 D 10. 4. For the reaction BF3 + F− ↓ BF4 − the three-dimensional arrangement of the bonds around the B atom changes from A trigonal pyramidal to square planar B trigonal pyramidal to tetrahedral C trigonal planar to square planar D trigonal planar to tetrahedral. [Turn over
Paper Source:NAH_Chemistry_all_2018.pdf
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Exam Specification Info
This question is part of the UK A-Level Chemistry syllabus. In the actual exam, structured questions typically require linking specific keywords to gain full marks. Applaa helps you drill these topics.
Syllabus levelAdvanced Level (A-Level)
SubjectChemistry
Official MarksVariable (2–6 marks)