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কোনটি ডায়াজোনিয়াম লবণ?

C_{6} H_{6} ‐ N^{+} \equiv N ‐ HCl

C_{6} H_{6} ‐ N^{+} \equiv Cl ‐ NO

C_{6} H_{5} ‐ N^{+} \equiv N ‐ {NO}_{3}

C_{7} H_{6} ‐ N^{+} \equiv N ‐ {SO}_{4}

None

ANS : 3

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