Answer: FOUR <span>asymmetric centers are present in the open chain form of the Aldohexose d-(-)-Gulose.
Explanation: Here the word
Asymmetric center means those carbon atoms which contains atoms or group of atoms different from each other. All the
four atoms or group of atoms attached to carbon atom are different and have different molecular masses. Such carbon atoms are also called as
Chiral carbons. The structure of </span>d-(-)-Gulose is drawn below, and all Four Asymmetric centers are pointed by "
* "
The true statement is :
B.The reaction will need an external energy source to proceed. It requires 150kJ more for it to take place. The difference between the energy consumed and the energy produced is 150kJ.
To convert km/h into m/s = 5/18
36×5/18
10 m/s
The appropriate answer is B. Has no atmosphere. Neptune is a gas giant and is the eight planet in the solar system. It has a thick atmosphere consisting of hydrogen, helium and methane. Neptune has at least eight moons with Triton being the largest.
Neptune has four rings which circle the planet. The rings are made of dust particles, similar to the rings of Saturn.