First slide

Anomalous properties of Boron

Question

The correct order of matching of the following compounds is
(A) Borazine
(B) Plaster of Paris
(C) Boric acid
(C) Qwartz
(E) Buckminsterfullerene
(i) $C a S O_{4} . \frac{1}{2} H_{2} O$
(ii) C₆₀
(iii) SiO₂
(iv) B₃N₃H₆
(v) H₃BO₃

Easy

A

A = (iii), B = (i), C = (ii), D = (v), E = (iv)
B

A = (i), B = (v), C = (iii), D = (iv), E = (ii)
C

A = (v), B = (ii), C = (i), D = (iii), E = (iv)
D

A = (iv), B = (i), C = (v), D = (iii), E = (ii)

Solution

Borazine =B₃N₃H₆ ;;Plaster of Paris =CaSO₄ $\frac{1}{2}$ H₂O ;;Boric acid =H₃BO₃ ;;Quartz =SiO₂ ;;fullerene =C₆₀.

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