Inert pair effect is predominant in

Which of the following statements about zeolites is incorrect?

Identify the incorrect statement about the oxidation states of group $14$ elements.

Lead is soluble in:

Given below are two statements,one is labelled as Assertion $A$ and the other is labelled as Reason $R$.
Assertion $A$: Carbon forms two important oxides $- CO$ and $CO_2$. $CO$ is neutral whereas $CO_2$ is acidic in nature.
Reason $R$: $CO_2$ can combine with water in a limited way to form carbonic acid,while $CO$ is sparingly soluble in water.
In the light of the above statements,choose the most appropriate answer from the options given below:

Which of the following organosilicon compounds on hydrolysis will give a three-dimensional silicone?