Which crown ether is the best one for Sodium cation (Na+)

1.	Which crown ether is the best one for Sodium cation (Na+)
Answer» 15-CROWN-5 is a crown ether with the formula (C2H4O)5. It is a cyclic pentamer of ethylene OXIDE that forms complex with VARIOUS cations, including sodium (Na+) and potassium (K+), however, it is complementary to Na+ and thus has a HIGHER SELECTIVITY for Na+ ions.

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15-CROWN-5 is a crown ether with the formula (C2H4O)5. It is a cyclic pentamer of ethylene OXIDE that forms complex with VARIOUS cations, including sodium (Na+) and potassium (K+), however, it is complementary to Na+ and thus has a HIGHER SELECTIVITY for Na+ ions.

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Which crown ether is the best one for Sodium cation (Na+) ​

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Which crown ether is the best one for Sodium cation (Na+)