- 1(current)
Q. No.Identify the incorrect statement from the following :
| 1. | Carbon has the ability to form pπ-pπ multiple bond with itself. |
| 2. | \(\mathrm{EC}_3\) (E = B and Al) is a monomer when E = B and a dimer when E = Al. |
| 3. | Oxygen exhibits only 2 oxidation states. |
| 4. | The order of catenation property of Group 14 elements is C>> Si > Ge ≈ Sn. |
Subtopic: Carbon Family - Preparations, Properties & Uses | Structure & Properties of Allotropes of C |
72%
Level 2: 60%+
NEET - 2026
Please attempt this question first.
Hints
Please attempt this question first.
Choose the correct statement:
| 1. | Both diamond and graphite are used as dry lubricants. |
| 2. | Diamond and graphite have a two-dimensional network. |
| 3. | Diamond is covalent and graphite is ionic. |
| 4. | Diamond is sp³ hybridised and graphite is sp² hybridized. |
Subtopic: Structure & Properties of Allotropes of C |
83%
Level 1: 80%+
NEET - 2022
Hints
Identify the Incorrect statement:
| 1. | Carbon has the tendency to form chains and rings with itself. |
| 2. | Silicon and Germanium are useful in semiconductor industry. |
| 3. | Boron trifluoride is a strong Lewis acid. |
| 4. | Common oxidation states of group 14 elements are +1 and +3. |
Subtopic: Structure & Properties of Allotropes of C |
80%
Level 1: 80%+
NEET - 2024
Hints
The incorrect statement regarding allotropes/allotropy is :
| 1. | Allotropy is the existence of an element in more than one form. |
| 2. | Allotropes have the same chemical properties but different physical properties. |
| 3. | Diamond and graphite are allotropes of carbon. |
| 4. | None of the above. |
Subtopic: Structure & Properties of Allotropes of C |
65%
Level 2: 60%+
Hints
Links
The incorrect statement regarding diamond and graphite is-
| 1. | In diamond each carbon is sp2 hybridised and in graphite, each carbon is sp3 hybridised. |
| 2. | Diamond is an insulator |
| 3. | Graphite has a planar geometry. |
| 4. | Both (2) and (3) |
Subtopic: Structure & Properties of Allotropes of C |
76%
Level 2: 60%+
Hints
Links
- 1(current)
Q. No.
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