S Block Elements Question 154
Question: Which is incorrect statement-
Options:
A) The heats of hydration of the dipositive alkaline earth metal decrease with an increase in their ionic size
B) $ NaNO_3 $ forms $ Na_2O_2 $ on heating
C) Hydration of alkali metal ion is less than that of IIA group
D) Alkaline earth metal ions, because of their much larger charge to size ratio, exert a much stronger electrostatic attraction on the oxygen of water molecule surrounding them
Show Answer
Answer:
Correct Answer: B
Solution:
[b] $ NaNO_3\xrightarrow{\Delta }NaNO_2+O_2 $
BETA
