Question:
Which of the following elements is not present in salvarsan?
Which of the following elements is not present in salvarsan?
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Salvarsan is an organoarsenic compound of C, H, N, O and As.
Updated On: Nov 12, 2026
- \(\text{As}\)
- \(\text{N}\)
- \(\text{O}\)
- \(\text{P}\)
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The Correct Option is D
Solution and Explanation
Step 1: Understanding the Concept
Salvarsan (arsphenamine) was the first synthetic antibacterial drug, used against syphilis.
Step 2: Composition
Each arsenic atom is bonded to a 3-amino-4-hydroxyphenyl group, so it contains As, N, O, C and H.
Step 3: Result
It has no phosphorus.
Final Answer:
Phosphorus is not present in salvarsan. \[ \boxed{\text{(D) }\text{P}} \]
Salvarsan (arsphenamine) was the first synthetic antibacterial drug, used against syphilis.
Step 2: Composition
Each arsenic atom is bonded to a 3-amino-4-hydroxyphenyl group, so it contains As, N, O, C and H.
Step 3: Result
It has no phosphorus.
Final Answer:
Phosphorus is not present in salvarsan. \[ \boxed{\text{(D) }\text{P}} \]
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