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Q.

Bauxite ore is generally contaminated with impurity of oxides of two elements X and Y. Which of the following statement is correct ?

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a

X is a non-metal and belongs to the third period while Y is a metal and belongs to the fourth period.

b

One of two oxides has three-dimensional polymeric structure.

c

Both (l) and (2) are correct.

d

None of the above.

answer is C.

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Detailed Solution

TWo oxides present in bauxite as an impurity are SiO2 and Fe2O3 Si belongs to the third period and Fe to the fourth
period. SiO2 has a three dimensional structure.

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