JEE Main · 2015 · 04 Apr 2015 · Offline · Chemistry in Everyday Life

Which of the following compounds is not an antacid?

(A)Cimetidine
(B)Phenelzine✓ Correct
(C)Ranitidine
(D)Aluminium hydroxide

Answer: (B)

Solution

Antacids calm stomach acid -- cimetidine and ranitidine by blocking the

H_{2}

receptors that trigger acid secretion, and aluminium hydroxide by neutralising the acid chemically. Phenelzine is none of these; it is a monoamine-oxidase-inhibiting antidepressant, so it is the compound that is not an antacid.

JEE Main · 2015 · 04 Apr 2015 · Offline · Single correct option

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