Explanation:
The Gabriel synthesis is a chemical reaction that transforms primary alkyl halides into primary amines. Traditionally, the reaction uses potassium phthalimide. ... The alkylation of ammonia is often an unselective and inefficient route to amines. In the Gabriel method, phthalimide anion is employed as a surrogate of H2N−.
It becomes more stable
delta G gets closer to zero
Answer is (1) Produces H+ in aqueous solution
The answer is High altitude
Since the Summer solstice is when the sun is highest in the sky and the solstice is in June, that's your answer :)