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MolSynapse / Question bank / p-Block Elements: Groups 13 and 14 / Silicon compounds: silicates, silicones, zeolites

JEE Main levelSingle correct optionDifficulty 2 of 3pb155

Heating silica with excess coke in an electric furnace at about 2000-2500 K gives the very hard compound

A $SiO$
B $SiH X_{4}$
C $SiC$ (carborundum)
D $Si X_{3} N X_{4}$

Answer: C

SiO X_{2} + 3 C SiC + 2 CO

. Carborundum has a diamond-like structure and is used as an abrasive.

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