P-Block Elements Ques 537

Question: A group 14 element is oxidised to form corresponding oxide which is gaseous in nature, when dissolved in water pH of the water decreases further addition of group 2 hydroxides leads to precipitation. This oxide can be

Options:

A) $ GeO_2 $

B) CO

C) $ CO_2 $

D) $ SnO_2 $

Show Answer

Answer:

Correct Answer: C

Solution:

$ CO_2 $ forms carbonic acid $ H_2CO_3, $ when dissolved in water, CO is neutral, whereas other two $ GeO_2 $ and $ SnO_2 $ are solids.



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