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NDA 1 2024 GAT, question 68

Topic: Chemistry

Q68

Match List-I with List-II and select the correct answer using the code given below the Lists :

List-I (Allotrope of Carbon) List-II (Property)
A. Graphite 1. Thinnest and strongest material
B. Diamond 2. Hardest natural substance
C. Fullerene 3. Very light and strong material
D. Graphene 4. Soft and slippery material

Code :

A B C D

  1. (a) 4 2 3 1Correct answer
  2. (b) 4 3 2 1
  3. (c) 1 3 2 4
  4. (d) 1 2 3 4

Solution.

Answer: (a) 4 2 3 1

  1. Graphite’s layers slide easily, making it soft and slippery (4).
  2. Diamond is the hardest natural substance (2).
  3. Graphene is an atomically thin, extremely strong sheet (1).
  4. The remaining description matches fullerene (3), giving A–4, B–2, C–3, D–1.