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কোন বিক্রিয়াটি সঠিক?

C H_{3} C H_{2} C H_{2} C l + K O H (a l c) \overset{∆}{\to} C H_{3} C H_{2} C H_{2} O H + K C l

C H_{3} C H_{2} C H_{2} C l + K O H (a q) \overset{∆}{\to} C H_{3} C H = C H_{2} + K C l + H_{2} O

C H_{3} C H_{2} C H_{2} O H + H_{2} S O_{4} (c o n c .) \overset{∆}{\to} C H_{3} C H = C H_{2} + H_{2} O

সবগুলো

ANS : 3

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