Given are two statements one is labelled as Assertion A and other is labelled as Reason R. Assertion A :Magnesium can reduce 
at a temperature below 
, while above 
aluminium can reduce 
. Reason 
: The melting and boiling points of magnesium are lower than those of aluminium. In light of the above statements. choose most appropriate answer from the options given below:
.
.
is correct 
is not correct.
is correct.
Text Solution
Verified by ExpertsB
From Ellingham diagram given in NCERT, it can be seen that 
line crosses 
line after 
hence assertion is true. Yes, Mg have lower MP and BP than aluminium but it does not explain the above fact.
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