JEE Main · 2023 · 30 Jan 2023 · Shift 1 · Chemistry in Everyday Life

Amongst the following compounds, which one is an antacid?

(A)Ranitidine✓ Correct
(B)Meprobamate
(C)Terfenadine
(D)Brompheniramine

Answer: (A)

Solution

Among the drugs listed, ranitidine is the antacid. It is an

H_{2}

-receptor antagonist that acts on the histamine

H_{2}

receptors of the gastric parietal cells and suppresses the secretion of hydrochloric acid, thereby relieving hyperacidity. Meprobamate is a tranquilliser, while terfenadine and brompheniramine are

H_{1}

-antihistamines used against allergy, none of which neutralises or checks gastric acid. Hence the antacid among these is ranitidine.

JEE Main · 2023 · 30 Jan 2023 · Shift 1 · Single correct option

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