The stability of dihalides of $Si, Ge, Sn$ and $Pb$ increases in the order:

What is produced by the hydrolysis of $(Me)_2SiCl_2$?

Carbon monoxide gas is more dangerous than carbon dioxide gas. Why?

Which of the following is not correct corresponding to the chemistry of group $14$ elements?

The silicate anion in the mineral kinoite is a chain of three $SiO_4$ tetrahedra that share corners with adjacent tetrahedra. The mineral also contains $Ca^{2+}$ ions,$Cu^{2+}$ ions,and water molecules in a $1 : 1 : 1$ ratio. The mineral is represented as:

Which of the following elements exists in the solid state at $25\,^oC$ temperature and atmospheric pressure?