Select the correct statement(s) regarding the following reaction sequence

 
   

1.  The compound (A) is CH32SiCl2

2.  The compound D is SiC

3.  The compound (B) is CH32SiOH2

4.  All of the above

Subtopic:  Carbon Family - Preparations, Properties & Uses |
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Carbogen is:

1.  A mixture of O2+5-10% of CO2.

2.  Used by pneumonia patients for respiration.

3.  Used by victims of CO for respiration.

4.  All of the above.

Subtopic:  Carbon Family - Preparations, Properties & Uses |
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Amphoteric oxides are:

1. Tl2O3SiO2

2. CO2B2O3

3. B2O3SiO2

4. AI2O3PbO2

Subtopic:  Compounds of Boron- Preparations, Properties & Uses | Carbon Family - Preparations, Properties & Uses |
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The sharp decrease in ionization enthalpy from carbon to silicon happens because of-

1.  Decrease in the charge of elements upon moving down the group.

2.  Decrease in the atomic sizes of elements upon moving down the group.

3.  Increase in the atomic sizes of elements upon moving down the group.

4.  Increase in the charge of elements upon moving down the group.

Subtopic:  Carbon Family - Preparations, Properties & Uses |
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The basic structural unit of silicates is-

1. SiO44-

2. (SiO3)2-

3. SiO42-

4. SiO-

Subtopic:  Carbon Family - Preparations, Properties & Uses |
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The incorrect statement among the following options is-

1.  Conc. HNO3 can be transported in an aluminium container.

2. Diamond is used as an abrasive.

3. A mixture of dilute NaOH and aluminium pieces is used to declog the drain.

4. Graphite can't be used as a lubricant.

Subtopic:  Boron Family- Preparations, Properties & Uses | Carbon Family - Preparations, Properties & Uses |
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The species among the following that does not exist is-

1. SnF62-

2. GeCl62-

3. CCl62-

4. SiF62-

Subtopic:  Carbon Family - Preparations, Properties & Uses |
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The amphoteric oxide among the following is -

1. CO2

2. PbO2

3. SiO2

4. SeO2

Subtopic:  Carbon Family - Preparations, Properties & Uses |
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The reason behind carbon showing catenation property but lead does not is-

1. Due to the smaller size of C than that of Pb

2. Due to the smaller size of Pb than that of C

3. Due to the smaller ionization energy of C than that of Pb

4. Due to inert pair effect

Subtopic:  Carbon Family - Preparations, Properties & Uses |
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The incorrect statement among the following is -

1. GeOH2 is amphoteric

2. GeCl2 is more stable than GeCl4

3. GeO2 is weakly acidic

4. GeCl4 + 2HCl ⇄ H2[GeCl6]

Subtopic:  Carbon Family - Preparations, Properties & Uses |
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