Easy Chemistry Class 11 Level 3

How many lone pairs are present on nitrogen in ammonia NH3?

अमोनिया NH3 में नाइट्रोजन पर कितने lone pair होते हैं?

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Correct Answer

B. 1

Explanation

Step 1: Nitrogen in NH3 has 5 valence electrons. Step 2: Three electrons form bonds with hydrogen and one pair remains as a lone pair. Step 3: Remember one lone pair for NH3.

Step 1: NH3 में नाइट्रोजन 5 संयोजी इलेक्ट्रॉन रखता है। Step 2: तीन इलेक्ट्रॉन हाइड्रोजन से बंध बनाते हैं और एक इलेक्ट्रॉन जोड़ा अकेला रहता है। Step 3: NH3 के लिए one lone pair याद रखें।

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