S Block Elements Question 165
Question: Which of the following metal carbonate is decomposed on heating
[MNR 1985; MP PET 1994; Pb. CET 2004]
Options:
A) $ MgCO_3 $
B) $ Na_2CO_3 $
C) $ K_2CO_3 $
D) $ Rb_2CO_3 $
Show Answer
Answer:
Correct Answer: A
Solution:
$ MgCO_3\xrightarrow{Heat}MgO+CO_2 $ The metal whose oxide is stable, it’s carbonate is unstable
BETA
