The hydrogen atoms attached to a double bond are deshielded while in case of alkynes the protons are shielded. Explain. 

In spectroscopy, particularly in Nuclear Magnetic Resonance (NMR) spectroscopy, the shielding or deshielding of protons is influenced by the electronic environment around them. In the case of hydrogen atoms attached to a double bond, such as in alkenes, the protons are deshielded due to the presence of the double bond's electron density.

The π-electrons in a double bond create an electron-rich region, _______ _____ ________ ___ _________ _______ _____ ______ __________ __________.
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