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8. The most basic naturally occurring amino acid is: a. lysine b. arginine c. serine d. tryptophan Most Basic Naturally Occurring Amino Acid: Arginine Explained Arginine stands as the most […]

7. Between ethanol, ethylamine and ethanethiol, which is the most nucleophilic: a. ethanol b. ethylamine c. ethanethiol d. Both ethylamine and ethanethiol are equally nucleophilic Ethylamine is the most nucleophilic […]

6. The compound H2NC(CN)=C(CN)NH2 is a tetramer of HCN (hydrocyanic acid). How many geometrical isomers are possible in this compound? a. 1 b. 2 c. 4 d. 6 2 geometrical […]

5. Reactions with positive free energy change (ΔG0>0) can be made to occur by: a. coupling them with exergonic reactions via a common intermediate b. manipulating the concentrations of products […]

4. The pOH of a solution of NaOH is 11.30. [H+] in M of this solution is: a. 5.0 x 10-12 b. 6.2 x 10-8 c. 2.0 x 10-3 d. […]

3. Which of the following molecules have a sugar moiety as an integral part? a. Amino acids b. Nucleic acids c. Phospholipids d. All of the above Nucleic acids contain […]

2. 0.22 g of a colourless oxide of nitrogen occupies 112 ml at STP. The compound is: a. NO b. N2O c. NO2 d. N2O2 Quick Solution 0.22 g of […]

1. The number of electrons in 18 ml of H2O is a. 60.23 x 1023 b. 6.023 x 1023 c. 3.011 x 1023 d. 0.6023 x 1023 Number of Electrons […]

15. Consider the following circuit, with r =15.0 Ω , R =10 Ω , and L = 250 mH. What is the frequency f at which the amplitude of the […]

14. Consider a Boson that can be in one of two states. How many distinct states can there be for a 3-particle system of such Bosons? a. 2 b. 4 […]