S Block Elements Question 226

Question: When washing soda is heated

[AFMC 2005]

Options:

A) CO is released

B) $ CO+CO_2 $ is released

C) $ CO_2 $ is released

D) Water vapour is released

Show Answer

Answer:

Correct Answer: D

Solution:

$ \underset{washingpowder}{\mathop{Na_2CO_3.10H_2O}}\xrightarrow{\Delta }Na_2CO_3.H_2O\xrightarrow{\Delta } $

$ Na_2CO_3+H_2O\uparrow $