
Which of the following is /are an example of orthosilicate? (This question has multiple correct answers)
(a)-
(b)-
(c)-
(d)- Asbestos
Answer
450k+ views
Hint: Orthosilicates are the group of compounds in the chemistry in which silicate is the anion part in which silicon is attached with four oxygen atoms through a single bond and has a 4- charge. So, check all the compounds, if the compound has anion, then it is an orthosilicate.
Complete step-by-step answer:
Orthosilicates are also known as silicon tetroxide anion. The structure of the silicate ion in the orthosilicate is given below:
Since, the silicate ion is the anion part, the cations like sodium, magnesium, etc can form salts with this and are called as orthosilicate.
Let us check all the options.
(a)- : This compound is known as Zirconium silicate, it is also known as Zirconium orthosilicate because the ions in this are in the form and . The structure is given below:
(b)- : This compound is magnesium orthosilicate in which magnesium is the cation and is the anion. The structure is given below:
(c)- : This compound is zinc pyrosilicate. The pyrosilicate doesn’t have anion.
(d)- Asbestos: It is also a silicate of magnesium but it is not an orthosilicate because the formula of asbestos is .
Therefore, the correct answers are an option (a) and option (b).
Note: It must be noted that not all the silicates are orthosilicate, only those compounds in which the anion is will be orthosilicate. Since asbestos is used for many purposes but it is a cancer-causing substance.
Complete step-by-step answer:
Orthosilicates are also known as silicon tetroxide anion. The structure of the silicate ion in the orthosilicate is given below:

Since, the silicate ion
Let us check all the options.
(a)-

(b)-

(c)-
(d)- Asbestos: It is also a silicate of magnesium but it is not an orthosilicate because the formula of asbestos is
Therefore, the correct answers are an option (a) and option (b).
Note: It must be noted that not all the silicates are orthosilicate, only those compounds in which the anion is
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