The correct statement regarding inert pair effect is -

1. Sn2+ is an oxidizing agent while Pb4+ is a reducing agent

2. Sn2+ and Pb2+ both are oxidizing agents

3. Sn4+ is a reducing agent while Pb4+ is an oxidizing agent

4. Sn2+ is a reducing agent while Pb4+ is an oxidizing agent

Subtopic:  Carbon Family - Preparations, Properties & Uses |
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An element that cannot form MF63- ion is -
1. Ga
2. Al
3. B
4. In

Subtopic:  Compounds of Boron- Preparations, Properties & Uses |
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The correct order of atomic radii among the group 13 elements is-

1. B < Al < In < Ga < Tl
2. B < Al < Ga < In < Tl
3. B < Ga < Al < Tl < In
4. B < Ga < Al < In < Tl

Subtopic:  Boron Family- Preparations, Properties & Uses |
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In which of the following pairs, both the species are not isostructural?

1. SiCl4, PCl4+
2. Diamond, silicon carbide
3. NH3, PH3
4. XeF4,XeO4

 

Subtopic:  Carbon Family - Preparations, Properties & Uses |
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The stability of +1 oxidation state among Al, Ga, In and Tl increases in the sequence
1. Ga<ln<Al<Tl
2. Al<Ga<ln<Tl
3. Tl<ln<Ga<Al
4. ln<Tl<Ga<Al

Subtopic:  Boron Family- Preparations, Properties & Uses |
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Which of these is not a monomer for a high molecular mass silicone polymer ?

1. Me2SiCl2
2. Me3SiCl
3. PhSiCl3
4. MeSiCl3

Subtopic:  Properties of Structure of SiO2 & Other Compounds |
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The basic structural unit of silicates is :

1. SiO44–
2. SiO32–
3. SiO42–
4. SiO

Subtopic:  Properties of Structure of SiO2 & Other Compounds |
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A compound among the following that is least likely to behave as a Lewis base is-
1.  NH3
2.  BF3
3.  OH-
4.  H2O

Subtopic:  Anomalous Behaviour of B & C |
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Silicate, among the following, that has only one oxygen atom of [SiO4]4- shared with the next unit is :

1.  Sheet silicate
2.  Pyrosilicate
3.  Three dimensional silicate
4.  Linear chain silicate

Subtopic:  Carbon Family - Preparations, Properties & Uses |
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The stability of +1 oxidation state increases in the sequence

1. Al <Ga<In<Tl

2. Tl<In<Ga<Al

3. In<Tl<Ga<Al

4. Ga<In<Al<Tl

Subtopic:  Boron Family- Preparations, Properties & Uses |
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