
2022 Organic 04
Authored by Nipuna Perera
Chemistry
Used 2+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
දී ඇති කාබොකැටායන අතරින් වඩාත් ස්ථායි කාබොකැටායනය වන්නේ,
a
b
c
d
ස්ථායිතා සමාන වේ.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
C6H5CH2CH = CH2 HBr සමග දක්වන ප්රතික්රියාවේ ප්රධාන ඵලය වන්නේ,
a
b
c
d
නිවැරදි පිළිතුර දී නොමැත.
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
ප්රශ්නයේ දැක්වෙන A සංයෝගය Br2/නිර්ජලීය FeBr3 සමග මොනොබ්රෝෙමා්නීකරණය කළ විට ප්රධාන ඵලය වන්නේ,
a
b
c
d
නිවැරදි පිළිතුර ලබා දී නොමැත.
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A සිට D දක්වා ඇති සංයෝග HCN සමග දක්වන ප්රතික්රියාවේ සීඝ්රතාව වැඩිවන නිවැරදි අනුපිළිවෙල වන්නේ, (Ph = බෙන්සීන් වලය)
a<b<c<d
d<b<c<a
d<c<b<a
c<d<b<a
a<c<d<b
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
ෆීඩ්ල් - ක්රාෆ්ට් ඇල්කිල්කරණයට ලක්වන්නේ,
1 , 2
2, 4
1, 2
1, 2, 4
3, 4
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
දී ඇති කාබොඇනායනවල ස්ථායිතා විචලන නිවැරදි අනුපිළිවෙල වන්නේ,
1 > 2 > 3
2> 1 > 3
3 > 2> 1
3 > 1 > 2
2 >3 > 1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
දී ඇති සංයෝග අතරින් මාකෝනිකොෆ් නීතියට අනුව HBr සමග ප්රතික්රියා වන්නේ,
a
b
c
d
a , b
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