Two oxides of nitrogen, NO and NO2 are allowed to react together at 243° K and form a coloured compound of nitrogen (X). When compound (X) reacts with water to yield another compound of nitrogen (Y).

Question

Two oxides of nitrogen, NO and NO2 are allowed to react together at 243° K and form a coloured compound of nitrogen (X). When compound (X) reacts with water to yield another compound of nitrogen (Y). The shape of the anion of (Y) molecule is :

Prashant Kotian · Accepted Answer

Correct answer: A. Step 1: Carborundum is the common name for silicon carbide (SiC). Step 2: In silicon carbide, each silicon atom is tetrahedrally bonded to four carbon atoms, and each carbon atom is tetrahedrally bonded to four silicon atoms in a giant three-dimensional macromolecular network. Step 3: Because of this continuous network of strong covalent bonds, silicon carbide is classified as a covalent network solid, matching option (b).

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