$A$ cyclic skeleton of silicon and oxygen can be constructed by the silicate ion composition:

$H_2S$ gas changes a filter paper dipped in lead acetate solution into

Lead is present in maximum quantity in which of the following types of glass?

Hydrolysis of which of the following carbides does not take place?

Which of the following compounds is the most volatile among $CH_4, SiH_4, GeH_4, SnH_4$?

Evaluate the following statements related to group $14$ elements for their correctness.
$(A)$ Covalent radius decreases down the group from $C$ to $Pb$ in a regular manner.
$(B)$ Electronegativity decreases from $C$ to $Pb$ down the group gradually.
$(C)$ Maximum covalence of $C$ is $4$ whereas other elements can expand their covalence due to presence of $d$ orbitals.
$(D)$ Heavier elements do not form $p\pi-p\pi$ bonds.
$(E)$ Carbon can exhibit negative oxidation states.
Choose the correct answer from the options given below: