Answer:
The correct answer is d. hydronium ion.
Explanation:
Hydronium ion is a positively charged molecule that has three hydrogen atom bonded with an oxygen atom. Hydronium ion is formed when the water molecule gains an extra H+ ion from somewhere.
This H+ ion easily form bonds with one of the lone pairs present on the water molecules. H2O is also a polar molecule and has a partially positive charge due to which the extra H+ ions get attracted to the negative pole of water and make hydronium ion. Therefore the correct answer is d.
Answer:
to test for liberation of O₂ in the light.
Explanation:
Answer: Somatization and conversion disorder. Somatization is the psychological mechanism whereby psychological distress is expressed in the form of physical symptoms. Conversion disorder occurs when the somatic presentation involves any aspect of the central nervous system over which voluntary control is exercised.
Explanation: