The correct order of N-compounds in its decreasing order of oxidation states is: - Chemistry MCQ NEET (UG) 2018 2026 | ExamTest.live | ExamTest.live

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The correct order of N-compounds in its decreasing order of oxidation states is:

A $HNO_{3}, NH_{4} Cl, NO, N_{2}$
B $HNO_{3}, NO, NH_{4} Cl, N_{2}$
C $HNO_{3}, NO, N_{2}, NH_{4} Cl$
D $NH_{4} Cl, N_{2}, NO, HNO_{3}$

Solution & Step-by-step Explanation

Calculating oxidation states of Nitrogen: HNO_{3} : + 1 + x + 3 (- 2) = 0 ⟹ x = + 5 NO : x + (- 2) = 0 ⟹ x = + 2 N_{2} : Oxidation state of free element is 0 NH_{4} Cl : x + 4 (+ 1) + (- 1) = 0 ⟹ x = - 3 Order: + 5 (HNO_{3}) > + 2 (NO) > 0 (N_{2}) > - 3 (NH_{4} Cl) .

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The correct order of N-compounds in its decreasing order of oxidation states is:

A

HNO_{3}, NH_{4} Cl, NO, N_{2}

B

HNO_{3}, NO, NH_{4} Cl, N_{2}

C

HNO_{3}, NO, N_{2}, NH_{4} Cl

D

NH_{4} Cl, N_{2}, NO, HNO_{3}

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Redox Reactions Oxidation States

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