- 1(current)
Q. No.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: Â Carbon Family - Preparations, Properties & Uses |
 83%
From NCERT
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Subtopic: Â Compounds of Boron- Preparations, Properties & Uses |Â Carbon Family - Preparations, Properties & Uses |
 87%
From NCERT
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The incorrect statement among the given options is-
| 1. | Inert pair effect is because of the poor shielding of the ns2 electrons by the d- and f- electrons. |
| 2. | Allotropy is the existence of an element in more than one form. |
| 3. | Catenation is the bonding of atoms of the same element into a series, called a chain. |
| 4. | None of the above. |
Subtopic: Â Carbon Family - Preparations, Properties & Uses |
 71%
From NCERT
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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: Â Boron Family- Preparations, Properties & Uses |Â Carbon Family - Preparations, Properties & Uses |
 82%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
The correct statement(s) regarding Lead compounds is/are:
1. Lead (II) reacts with Cl2 to give PbCl4
2. Lead (IV) chloride is highly stable towards heat.
3. Lead is not known to form an iodide, PbI4
4. Both (1) and (3)
Subtopic: Â Carbon Family - Preparations, Properties & Uses |
 64%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
Incorrect statement among the following options is :
| 1. | Tl (+1) is more stable than Tl (+3). |
| 2. | For group 13, the stability of the +3 oxidation state decreases down the group. |
| 3. | Ge, Sn, and Pb show both the +2 and + 4 states. |
| 4. | None of the above. |
Subtopic: Â Boron Family- Preparations, Properties & Uses |Â Carbon Family - Preparations, Properties & Uses |
 66%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
- 1(current)
Q. No.
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