Igcse Model Questions Vol1 2018 Chemistry Question 40

Practice objective / multiple choice question 40 from the 2018 Igcse Model Questions Vol1 Chemistry examination.

Igcse Model Questions Vol1 2018 Chemistry Objective / Multiple Choice Medium Difficulty
Question 40 IGCSE_MODEL_QUESTIONS_VOL1 • 2018 • CHEMISTRY • objective

For the molecule \(\text{SF}_4\):\n(a) State the total number of valence electrons.\n(b) Describe the arrangement of atoms and lone pairs in its Lewis structure.\n(c) Give the electron‑pair geometry, molecular geometry and the hybridisation of the central sulphur atom.\n(d) Estimate the bond angle between the two equatorial fluorine atoms.

Answer Options

A. 34 valence electrons; electron‑pair geometry tetrahedral; molecular geometry seesaw; hybridisation sp³d; equatorial F‑F angle ≈ 102°
B. 34 valence electrons; electron‑pair geometry trigonal bipyramidal; molecular geometry T‑shaped; hybridisation sp³d; equatorial F‑F angle ≈ 102°
Correct Answer C. 34 valence electrons; electron‑pair geometry trigonal bipyramidal; molecular geometry seesaw; hybridisation sp³d; equatorial F‑F angle ≈ 102°
D. 34 valence electrons; electron‑pair geometry trigonal bipyramidal; molecular geometry seesaw; hybridisation sp³d; equatorial F‑F angle ≈ 120°
Correct Answer
C
Correct Option:
34 valence electrons; electron‑pair geometry trigonal bipyramidal; molecular geometry seesaw; hybridisation sp³d; equatorial F‑F angle ≈ 102°

About This Question

This is Igcse Model Questions Vol1 2018 Chemistry Question 40. It is one of the objective questions from the 2018 Igcse Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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