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easyMCQNEET 20232026Chemistry
1 mark

Match List-I with List-II:| List-I | List-II || :--- | :--- || A. Coke | I. Carbon atoms are hybridised || B. Diamond | II. Used as a dry lubricant || C. Fullerene | III. Used as a reducing agent || D. Graphite | IV. Cage-like molecules |

  1. A
    A-II, B-IV, C-I, D-III
  2. B
    A-IV, B-I, C-II, D-III
  3. C
    A-III, B-I, C-IV, D-II
  4. D
    A-III, B-IV, C-I, D-II

Solution & Step-by-step Explanation

1. Coke: An amorphous form of carbon used as a reducing agent in metallurgy (III).2. Diamond: Each carbon is hybridised (I).3. Fullerene: Spherical or ellipsoidal cage-like molecules (e.g., ) (IV).4. Graphite: Layered structure allows layers to slide, used as a dry lubricant (II).Sequence: A-III, B-I, C-IV, D-II.

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Match List-I with List-II:| List-I | List-II || :--- | :--- || A. Coke | I. Carbon atoms are hybridised || B. Diamond | II. Used as a dry lubricant || C. Fullerene | III. Used as a reducing agent || D. Graphite | IV. Cage-like molecules |
A
A-II, B-IV, C-I, D-III
B
A-IV, B-I, C-II, D-III
C
A-III, B-I, C-IV, D-II
D
A-III, B-IV, C-I, D-II

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p-blockcarbon allotropes

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