Question:
Which of the following formula represents lithium imide?
Which of the following formula represents lithium imide?
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Lithium imide has the formula \( \text{Li}_2\text{NH} \), where imide contains the \( \text{NH} \) group.
Updated On: Jan 27, 2026
- \( \text{Li}_3\text{N} \)
- \( \text{LiNH}_2 \)
- \( \text{Li}_2\text{NH} \)
- \( \text{LiNH} \)
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The Correct Option is C
Solution and Explanation
Step 1: Understanding lithium imide.
Lithium imide consists of a lithium atom bonded to an imide group (\( \text{NH} \)). The correct formula is \( \text{Li}_2\text{NH} \).
Step 2: Analyzing the options.
(A) \( \text{Li}_3\text{N} \): This is lithium nitride, not lithium imide.
(B) \( \text{LiNH}_2 \): This is lithium amide, not imide.
(C) \( \text{Li}_2\text{NH} \): Correct — This is the formula for lithium imide.
(D) \( \text{LiNH} \): This is an incorrect formula for lithium imide.
Step 3: Conclusion.
The correct answer is (C) \( \text{Li}_2\text{NH} \).
Lithium imide consists of a lithium atom bonded to an imide group (\( \text{NH} \)). The correct formula is \( \text{Li}_2\text{NH} \).
Step 2: Analyzing the options.
(A) \( \text{Li}_3\text{N} \): This is lithium nitride, not lithium imide.
(B) \( \text{LiNH}_2 \): This is lithium amide, not imide.
(C) \( \text{Li}_2\text{NH} \): Correct — This is the formula for lithium imide.
(D) \( \text{LiNH} \): This is an incorrect formula for lithium imide.
Step 3: Conclusion.
The correct answer is (C) \( \text{Li}_2\text{NH} \).
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