Which of the Following Acids Is the Weakest? the Acid

question 153

Multiple Choice

Which of the following acids is the weakest? The acid is followed by its K_a value.

• A) HF, 3.5 × 10^-4
• B) HCN, 4.9 × 10^-10
• C) HNO₂, 4.6 × 10^-4
• D) H COOH, 1.8 × 10^-4
• E) HClO₂, 1.1 × 10^-2

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Definitions:

Scapula

Also known as the shoulder blade, it is a large, flat triangular bone located in the upper back.

Pelvic Bone

A large irregular bone forming the base of the spine and the upper framework of the pelvis, composed of the ilium, ischium, and pubis.

Trochlear Notch

The deep groove at the upper end of the ulna bone that articulates with the trochlea of the humerus in the elbow joint.