Chemistry MCQS

381. What is the boiling point of xenon in Celsius?
(A) -269°C
B) -196°C
(C) -162°C
(D) -112°C

382. Noble gases are used in cryogenics to:
(A) Generate electricity
(B) Create colorful light displays
C) Produce cold temperatures
(D) Accelerate particles in accelerators

383. Which of the following is the lightest noble gas?
A) Helium
(B) Neon
(C) Argon
(D) Krypton

384. Which of the following is the heaviest noble gas?
(A) Helium
(B) Neon
(C) Argon
D) Xenon

385. The full outer electron shell of noble gases makes them stable and less likely to:
(A) Gain electrons
(B) Lose electrons
C) Form compounds
(D) Release energy

386. Noble gases are used in scuba diving to:
(A) Inflate the buoyancy control device
(B) Absorb carbon dioxide
C) Provide breathing gas
(D) Generate light for underwater photography

387. Which of the following is the second lightest noble gas?
(A) Helium
B) Neon
(C) Argon
(D) Krypton

388. Which of the following is the second heaviest noble gas?
(A) Helium
(B) Neon
C) Argon
(D) Xenon

389. Which of the following noble gases is used in lighting due to its bright glow when an electric current passes through it?
(A) Helium
B) Neon
(C) Argon
(D) Krypton

390. When a multidentate ligand is surrounded it is known as?
A) Chelates
(B) Coorination complex
(C) Coordination complex
(D) None of the above