In the laboratory,silicon can be prepared by the reaction of:

Which of the following does not exist?

$Ge(II)$ compounds are strong reducing agents,whereas $Pb(IV)$ compounds are strong oxidizing agents. This is due to.........

Litharge $(PbO)$ is $NOT$ used in which of the following?

Which of the following statements are correct?
$(i)$ $CCl_4$ undergoes hydrolysis easily
$(ii)$ Diamond has directional covalent bonds
$(iii)$ Fullerene is the thermodynamically most stable allotrope of carbon
$(iv)$ Glass is a man-made silicate
The correct answer is

Which of the following is an example of a neutral oxide?