Boric acid condenses to form tetraboric acid according to the equation ________.
A) 4H3BO3 (s) → 2H2B2O7 (s) + 3H2O (g)
B) 2H3BO3 (s) → HB2O2 (s) + 4H2O (g)
C) 4H3BO3 (s) → HB4O8 (s) + 4H2O (g)
D) 2H3BO3 (s) → H2B4O7 (s) + 3H2O (g)
E) 4H3BO3 (s) → H2B4O7 (s) + 5H2O (g)
Correct Answer:
Verified
Q63: B2O3 is the anhydride of _.
A)borous acid
B)diborane
C)tetraboric
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Q72: Hydrogen can have oxidation states of _.
A)+1
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Q76: Silicones are _.
A)chains of alternating silicon and
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Q78: Addition of B2O3 to soda-lime glass _.
A)imparts
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