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In silicon dioxide
In silicon dioxide (SiO2), each silicon (Si) atom is tetrahedrally coordinated to four oxygen (O) atoms, while each oxygen atom is bonded to two silicon atoms. This creates a three-dimensional network structure.
Litharge is chemically
Litharge is chemically known as lead monoxide (PbO). It's one of the two main oxides of lead and is commonly used in ceramics, glass, and other industrial applications.
Which of the following has most density
$ Pb \rightarrow 11.34 g/ml heaviest $ .
Red lead is an example of an ________ Oxide
$ Pb_3O_4 is a mixed oxide of 2PbO + PbO_2 $
Element showing the phenomenon of allotropy is ______
Tin (Sn) is an element that exhibits allotropy. It has two main allotropes: white tin (or beta tin) which is metallic and stable at and above room temperature, and grey tin (or alpha tin), which is non-metallic and stable below 13.2°C. Allotropy is the phenomenon where an element can exist in two or more different forms in the same physical state.
Which of the following is a metalloid
Boron (B),Si,Ge,As,Sb & At are metalloid elements. Bismuth (Bi) & tin (Sn) are metal while carbon (C) is non - metal.
Which gas is liberated when $ Al_4C_3$ is hydrolysed
$ Al_4C_3 + 12H_2O \rightarrow 3CH_4 + 4 Al(OH)_3 $
Dry ice is
Solid $ CO_2$ is called dry ice because it changes to vapour state directly without changing to liquid state.
$ SiCl_4 on hydrolysis forms 'X' & HCl Compound 'X' loses water at 1000 ^\circ C & gives 'Y'. Compound o 'X' & 'Y' are respectively.$
When silicon tetrachloride (SiCl4) is hydrolyzed, it forms silicic acid (H4SiO4) and hydrochloric acid (HCl). Upon heating to 1000°C, silicic acid loses water to form silicon dioxide (SiO2). Therefore, compound 'X' is H4SiO4 and compound 'Y' is SiO2.
$ Pb + Conc HNO_3 $ gives
$ HNO_3$ is best solvent for lead $ Pb + 4HNO_3 \xrightarrow [] { { \triangle} } Pb (NO_3)_2 + 2NO_2 + 2H_2O $
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