| Column-I | Column-II | ||
| a. | Dobereiner | 1. | Electro negativity scale |
| b. | Mendeleev | 2. | Long form of periodic table |
| c. | Neils Bohr | 3. | Law of triads |
| d. | Linus Pauling | 4. | Law of octaves |
| e. | Newland | 5. | Periodic table |
A) a-4, b-2, c-3, d-1, e-5
B) a-1, b-2, c-3, d-4, e-5
C) a-3, b-5, c-2, d-1, e-4
D) a-5, b-4, c-3, d-2, e-1
Correct Answer: C
Solution :
Dobereiner-Law of triads Mendeleev - Periodic table Neils Bohr - Long form of periodic table Linus Pauling - Electro- negativity scale Newland-Law of octaves a-3, b-5, c-2, d-1, e-4
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