Chemistry - Complete s-block Question with Solution | TestHub
ChemistryComplete s-blocks-block IIAMedium2 minQB
ChemistryMediummultiple choice
Alkaline earth metals are characterised by their :
Options:(select one or more)
Answer:
A, B, D
Solution:
Group IIA atoms are smaller and have higher first ionisation enthalpies than the neighbouring Group IA atoms.
They are less electropositive, so A and B are true.
Their stronger metallic bonding gives generally higher melting points than Group IA metals of the same period
C is false.
Calcium, strontium and barium dissolve in liquid to give blue solutions containing solvated electrons
D is true.
Options A, B and D are correct.
Stream:JEESubject:ChemistryTopic:Complete s-blockSubtopic:s-block IIA
⏱ 2mℹ️ Source: QB
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