AQA A LEVEL CHEMISTRY - GROUP 2 QUESTIONS WITH RIGHT ACCURATE ANSWERS

AQA A LEVEL CHEMISTRY - GROUP 2
QUESTIONS WITH RIGHT ACCURATE
ANSWERS.
As,you,go,down,the,group,,atomic,radius,,,ANS,-increases



As,you,go,down,the,group,,ionisation,energy,,,ANS,-decreases



As,you,go,down,the,group,,melting,point,(WHY),,,ANS,-
generally,decreases,as,the,metallic,bonding,gets,weaker,due,to,the,atomic,radius,increasing



3,factors,affecting,metallic,bonding,,,ANS,-
1.,Charge,on,ion,2.,Atomic,radius,3.,No.,of,delocalized,electrons,in,the,cloud



Be,with,water,,,ANS,-No,reaction



Mg,with,steam,,,ANS,-Mg,+,H2O(g),>,MgO,+,H2



Mg,with,water,,,ANS,-Mg,+,2H2O,>,Mg(OH)2,+,H2



Ca,,Sr,and,Ba,with,water,,,ANS,-all,follow,same,reaction,pattern



Solubility,of,the,hydroxides,as,you,go,down,the,group,,,ANS,-increases



Solubility,of,the,sulphates,as,you,go,down,the,group,,,ANS,-decreases



Uses,of,the,hydroxides,,,ANS,-Milk,of,magnesia,for,indigestion

Ca(OH)2,to,neutralize,acidic,soil




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