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JEE 2020 Chemistry : Classification Of Elements and Periodicity in Properties Quiz-1 (23.07.2019)

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Question 1

Boron cannot form which one of the following anions?

Question 2

For and the correct order of increasing ionic radii is :

Question 3

Which one of the following has largest ionic radius?

Question 4

Which of the following series correctly represents relations between the elements from X to Y?

Question 5

The group having isoelectronic species is:

Question 6

Which of the following oxides is amphoteric in character?

Question 7

The octahedral complex of a metal ion M3+ with four monodentate ligands L1, L2, L3 and L4 absorb wavelengths in the region of red, green, yellow and blue, respectively. The increasing order of ligand strength of the four ligands is:

Question 8

Beryllium and aluminium exhibit many properties which are similar. But the two elements differ in

Question 9

The increasing order of the ionic radii of the given isoelectronic species is :

Question 10

Which one of the following species is diamagnetic in nature?
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