Recent questions and answers in Some p - Block Elements

by JeeNeetQnA in Some p - Block Elements asked Feb 7 9 views

Which of the following oxide is amphoteric in nature?

Which of the following oxide is amphoteric in nature? (1) CO2 (2) SnO2 (3) SiO2 (4) GeO2

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by Huzaifa Noori in Some p - Block Elements answered Jan 28 40 views

It is because of inability of ns2 electrons of the valence shell to participate in bonding that

It is because of inability of ns2 electrons of the valence shell to participate in bonding that (a) Sn2+ is oxidising while Pb4+ is reducing (b) Sn2+ and Pb2+ are both oxidising and reducing (c) Sn4+ is reducing while Pb4+ is oxidising (d) Sn2+ is reducing ...

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by JeeNeetQnA in Some p - Block Elements answered Jan 3 14 views

The one that is extensively used as a piezoelectric material is :

The one that is extensively used as a piezoelectric material is : (1) Quartz (2) Amorphous silica (3) Mica (4) Tridymite

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by JeeNeetQnA in Some p - Block Elements answered Jan 3 15 views

Aluminium is usually found in +3 oxidation stagte. In contarast, thallium exists in +1 and +3 oxidation states.

Aluminium is usually found in +3 oxidation stagte. In contarast, thallium exists in +1 and +3 oxidation states. This is due to : (1) lanthanoid contraction (2) lattice effect (3) diagonal relationship (4) inert pair effect

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Recent questions and answers in Some p - Block Elements

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