Paramagnetic behaviour of substance is measured by a balance called___________________?
Correct answer: B. Guoys balance
- A. Analytical balance
- B. Guoys balance
- C. Electrical balance
- D. Single beam balance
Explanation
A Gouy balance measures the attraction or repulsion of a sample in a magnetic field, allowing its paramagnetic behaviour and magnetic susceptibility to be determined. Paramagnetic substances are attracted because they contain unpaired electrons. The likely mistake is choosing an analytical balance, which measures mass but does not measure magnetic susceptibility.
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About Electronic Structure of d-Block Elements
The electronic structure of d-block elements covers the filling of the (n-1)d and ns orbitals, general electronic configurations, and the exceptions shown by chromium and copper. It explains how partially filled d orbitals produce variable oxidation states, coloured ions, magnetic behaviour and complex formation, while distinguishing transition elements from elements with completely filled d subshells.
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