p-Block elementsHard
Question
In group 15, the melting points of the elements :
Options
A.increase regularly on moving down the group.
B.decrease regularly on moving down the group.
C.first decrease upto As and then increase to Bi.
D.first increase from N to As and then decrease to Bi.
Solution
Element Melting point
N 63 K
P 317 K
As 1089 K
Sb 904 K
Bi 544 K
N 63 K
P 317 K
As 1089 K
Sb 904 K
Bi 544 K
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