Pyroxenes are class of silicate minerals, which exhibit a polymeric chain structure, as shown below
Its simplest repeating unit is
A. [SiO4]4-
B. [SiO3]2-
C. [Si2O7]6-
D. [Si4O11]6-
Answer: Option B
This Question Belongs to Engineering Chemistry >> S Block And P Block Elements
Related Questions on S Block and P Block Elements
The reaction of solid XeF2 with AsF5 in 1 : 1 ratio affords
A. XeF4 and AsF3
B. XeF6 and AsF3
C. [XeF]+ [AsF6]-
D. [Xe2F3] [AsF6]-
A. B3N3H3
B. B3N3H6
C. B3N3H12
D. [BH ... NH]n
The first ionization potential of Mg, AI, P and S follows the order
A. Mg < AI < P < S
B. AI < Mg < P < S
C. AI < Mg < S < P
D. Mg < AI < S < P
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