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Test: Silicon and Its Compounds - JEE MCQ


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15 Questions MCQ Test Chemistry for JEE Main & Advanced - Test: Silicon and Its Compounds

Test: Silicon and Its Compounds for JEE 2024 is part of Chemistry for JEE Main & Advanced preparation. The Test: Silicon and Its Compounds questions and answers have been prepared according to the JEE exam syllabus.The Test: Silicon and Its Compounds MCQs are made for JEE 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Silicon and Its Compounds below.
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Test: Silicon and Its Compounds - Question 1

Often a ground glass stopper gets stuck in the neck of a glass bottle containing NaOH solution. This is due to :

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Test: Silicon and Its Compounds - Question 2

anion is obtained when:

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Total No. oxygen atoms per silicon atom

∴ Formula

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Test: Silicon and Its Compounds - Question 3

The gas evolved on heating CaF2 and SiO2 with concentrated H2SO4, on hydrolysis gives a white gelatinous precipitate. The precipitate is:

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Test: Silicon and Its Compounds - Question 4

On controlled hydrolysis and condensation, R3SiCl yields

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R3SiCl on hydrolysis forms only a dimer. R3SiOH + HOSiR→ R3Si − O − SiR3

Test: Silicon and Its Compounds - Question 5

When steam reacts with red hot coke to form CO2 and hydrogen :

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Steam
oxidises
hence acts as oxidising agent.

Test: Silicon and Its Compounds - Question 6

Example of a three-dimensional silicate is:

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When all the four corners of a tetrahedron are shared with other tetrahedral, the three-dimensional network structure is obtained. Since all the oxygen atoms are shared, these silicates are neutral
Zeolites and feldspars (Eg: albite (NaAlSi3O8)) are three-dimensional networks of aluminosilicates.
Ultramarines is Na8[SiAlO4]6⋅(S3)2 is also a 3 dimensional silicate.
Hence, all of the are three-dimensional silicates.

Test: Silicon and Its Compounds - Question 7

Identify the incorrect statement :

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The hydrolysis of Trialkylchlorosilane R3 SiCl yields dimer:

Test: Silicon and Its Compounds - Question 8

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Structure of X will be

Linear long chain polymer

Test: Silicon and Its Compounds - Question 9

Clay is an example of

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Clay, talc, etc., are sheet silicates with the formula (Si2O5)n2n-.

Test: Silicon and Its Compounds - Question 10

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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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

Test: Silicon and Its Compounds - Question 11

The structure and hybridization of Si(CH3)is

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Hybridisation , sp3 tetrahedral.

Test: Silicon and Its Compounds - Question 12

Which of the following is/are not correctly matched?
(i) GeO2 Acidic
(ii) PbO2 Amphoteric
(iii) CO - Neutral
(iv) SiO2 Amphoteric

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SiOis acidic oxide.

Test: Silicon and Its Compounds - Question 13

Silicones contain

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C,O and Si

Test: Silicon and Its Compounds - Question 14

Silanes are compounds which contain

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H and Si

Test: Silicon and Its Compounds - Question 15

Each silicon atom in the trimer cyclic silicate has

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Trimeric cyclic silicate is

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