JEE Main Solved Paper 2017 Question 10
Question: Both lithium and magnesium display several similar properties due to the diagonal relationship ; however, the one which is incorrect is: [JEE Main Solved Paper-2017]
Options:
A) Both form basic carbonates
B) Both form soluble bicarbonates
C) Both form nitrides
D) Nitrates of both Li and Mg yield $ N{O_2} $ and $ {O_2} $ on heating
Show Answer
Answer:
Correct Answer: A
Solution:
- Mg can form basic carbonate like $ 5M{g^{+2}}+6CO_3^{2-}+7H _2O $ $ \to 4MgCO _3,Mg{{(OH)}_2}.5H _2O\downarrow +2HCO_3^{-} $ While Li can form only carbonate $ (Li _2CO _3) $ not basic carbonate.
