S Block Elements Question 36
Question: Four reactions are given below
(i) $ 2Li+2H_2O\to 2LiOH+H_2 $
(ii) $ 2Na+2H_2O\to 2NaOH+H_2 $
(iii) $ 2LiNO_3\xrightarrow{Heat}2LiNO_2+O_2 $
(iv) $ 2NaNO_3\xrightarrow{Heat}2NaNO_2+O_2 $ Which of the above, if any, is wrong
Options:
A) (iv)
B) (iii)
C) (i)
D) None of these
Show Answer
Answer:
Correct Answer: B
Solution:
Lithium nitrate on heating gives $ \underset{(S)}{\mathop{4LiNO_3}}\xrightarrow{\Delta }\underset{(S)}{\mathop{2Li_2O}}+4NO_2\uparrow +O_2\uparrow $
BETA
