Question

the radiation that causes electronic transitions are​

Answer 1

Explanation:

Finally, when molecules absorbs visible and ultraviolet radiation gives transitions between electronic energy levels follows by simultaneous transitions between vibrational and rotational levels.

Answer 2

Answer:

Ultraviolet radiation are the radiations which causes excitation and electronic transitions.

Explanation:  

Electronic Transitions:

• The words "electronic" and "transition" both imply the idea of an electron.
• Excitation causes the electrons in a molecule to transition from a lower to a higher energy state. The ground state and the excited state are the two energy states that have the lowest and highest energies, respectively. With this transition, an energy change is seen, which represents different information about the molecule.
• The study of electromagnetic radiation with a particular wavelength is called spectroscopy.
• It aids in determining the matter's structure both quantitatively and qualitatively. This analytical strategy is applied across the board in science and technology.

There are three kinds of electrons which are responsible for electronic transitions:

• Sigma electrons in saturated molecules.
• Pi electrons in unsaturated molecules.
• Nonbonding electrons in nonbonded elements.

These electrons absorbs Ultraviolet radiation which causes excitation and also causes electronic transitions.

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