निम्नलिखित अणुओं में सिग्मा \( (\sigma) \) तथा पाई \( (\pi) \) आबंधों की कुल संख्या कितनी है? (क...
निम्नलिखित अणुओं में सिग्मा \( (\sigma) \) तथा पाई \( (\pi) \) आबंधों की कुल संख्या कितनी है? (क) \( \mathrm{C}_{2} \mathrm{H}_{2} \) (ख) \( \mathrm{C}_{2} \mathrm{H}_{4} \)
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