Which of the following represents the nitrate ion?

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Study for the IMAT Chemistry Exam. Access flashcards and multiple choice questions; hints and explanations included for each question. Prepare effectively for your exam.

Multiple Choice

Which of the following represents the nitrate ion?

Explanation:
Recognizing the standard names and formulas of common polyatomic ions. The nitrate ion is NO3−, a trigonal planar ion with three oxygens bonded to nitrogen and an overall −1 charge. Among the options, only nitrate has the NO3− composition. The others correspond to different ions: phosphate is PO4^3−, sulfite is SO3^2−, and ammonium is NH4+. So the name that matches NO3− is nitrate.

Recognizing the standard names and formulas of common polyatomic ions. The nitrate ion is NO3−, a trigonal planar ion with three oxygens bonded to nitrogen and an overall −1 charge. Among the options, only nitrate has the NO3− composition. The others correspond to different ions: phosphate is PO4^3−, sulfite is SO3^2−, and ammonium is NH4+. So the name that matches NO3− is nitrate.

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