2nd Year Chemistry MCQs F.Sc. Part 2
Chapter No.3
Group III-A and IV-A Elements
Total MCQs = 38

26. Which element forms an ion with charge +3 ? (MTN 2015) (SGD 2018 GII) (DGK 2016, 2019 GII)

A. Berllium
B. Aluminium
C. Carbon
D. Silicon

27. Which electronic configuration corresponds to an element of Group – IIIA of the periodic table?

A. 1s², 2s², 2p⁶, 3s²,3p¹
B. 1s², 2s², 2p⁶, 3s², 3p⁶, 4s²
C. 1s², 2s², 2p⁶
D. 1s², 2s², 2p⁶, 3s²,3p³

28. Which elements among the following _____ belongs to Groups IVA of the periodic table?

A. Barium
B. Iodine
C. Lead
D. Oxygen

29. Boric acid cannot be used: (SGD 2015) (AJK 2016) ( FSD 2017) (BWP 2018) (AJK, LHR 2019)

A. As antiseptic in medicine
B. For washing eyes
C. In soda bottles
D. For enamels and glazes

30. Which of the following elements is not present abundantly in earth’s crust?

A. Silicon
B. Aluminium
C. Sodium
D. Oxygen

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