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JEE Main Chemistry question

ChemistryPolymersJEE Main

Not in JEE Main or NEET syllabus

How many nitrogen atoms are present in the repeating unit of Melamine polymer?

Answer: 6

Solution

Melamine is 2,4,6-triamino-1,3,5-triazine: a six-membered ring containing 3 ring nitrogen atoms, further bearing 3 exocyclic groups (3 more nitrogen atoms), giving 6 nitrogen atoms in total per melamine unit.

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Question ID VK-151575