Most HCl(g)is Obtained Commercially

question 26

Multiple Choice

Most HCl(g) is obtained commercially

• A)by reaction of MnO₂ with concentrated HCl.
• B)by reaction of NaCl with concentrated H₂SO₄.
• C)by electrolysis of NaCl.
• D)by distillation of HCl(aq).
• E)as a by-product from the chlorination of hydrocarbons.

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Definitions:

Superego

The part of the personality in Freudian psychoanalysis that represents internalized ideals and provides standards for judgment.

Freud

Sigmund Freud, an Austrian neurologist who established psychoanalysis, a technique for addressing mental disorders through conversations between a patient and a psychoanalyst.

Reality Principle

The concept in psychoanalytic theory that the mind functions to perceive and adapt to the external world, balancing the demands of the id and the superego.

Ego

In psychoanalytic theory, the part of the mind that mediates between the conscious and the unconscious, responsible for reality testing and a sense of personal identity.