Carbon Tetrachloride Reacts at High Temperatures with Oxygen to Produce

question 21

Multiple Choice

Carbon tetrachloride reacts at high temperatures with oxygen to produce two toxic gases, phosgene and chlorine.
CCl₄(g) + ½O₂(g) COCl₂(g) + Cl₂(g) ,K_c = 4.4 × 10⁹ at 1000 K
What is K_c for the following reaction?
2CCl₄(g) + O₂(g) 2COCl₂(g) + 2Cl₂(g)

• A)6.6 × 10⁴
• B)4.4 × 10⁹
• C)8.8 × 10⁹
• D)1.9 × 10¹⁹
• E)2.3 × 10^-10

---

Definitions:

Graafian Follicles

Mature ovarian follicles that are ready to release an egg during ovulation, named after Regnier de Graaf.

Bulbourethral Gland

One of two small compound glands that produce a mucoid secretion; it discharges through a small duct into the spongy urethra.

Prostate

A gland in the male reproductive system that surrounds the urethra below the bladder, contributing to the production of semen.

Ejaculatory Duct

A duct through which semen is ejected into the urethra for expulsion from the body during ejaculation.