A)
B)
C)
D)
শুদ্ধ উত্তৰ: B
দিয়া যৌগটোৰ গঠন লিখিবলৈ প্ৰথমে ছয়টা কাৰ্বনৰ শৃংখল এটা অঁকা।
এতিয়া উল্লেখ কৰা স্থানত প্ৰতিষ্ঠাপক গোটবোৰ যোগ কৰা আৰু তৃতীয় C-ত = বন্ধন, পঞ্চম C-ত $ \equiv $ বন্ধন আৰু প্ৰথম কাৰ্বনত COOH যোগ কৰা।
এইটোৱেই হৈছে দিয়া যৌগটোৰ গঠন।
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