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IUT_11-12
HSC - রসায়ন ২য় পত্র
→
অধ্যায়-০২ঃ জৈব রসায়ন
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All Topics
Which functional group is meta directing?
A.
−
N
H
2
-\mathrm{NH}_{2}
−
NH
2
B.
- OH
\text { - OH }
- OH
C.
−
C
l
-\mathrm{Cl}
−
Cl
D.
−
N
O
2
-\mathrm{NO}_{2}
−
NO
2
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