JEE Main & Advanced
Sample Paper
JEE Main Sample Paper-16
question_answer
If the number of Silicon atoms is restricted to 23 only, what would be the number of oxygen atoms and magnitude of negative charges respectively in the structure of Pyroxene (single chain Silicate)?
A) 70, 48
B) 70, 46
C) 23, 48
D) 23, 46
Correct Answer:
A
Solution :
General formula \[={{(Si{{O}_{3}})}_{n}}^{-2n}\] Actual formula \[={{S}_{23}}{{O}_{70}}\]