नॉर्मल ब्यूटेन और आइसो ब्यूटेन हैं ?
A. ऑप्टिकल आइसोमर
B. चैन आइसोमर
C. पोजीशन आइसोमर
D. फंक्शनल आइसोमर
उत्तर 2
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Santosh kumar on 19-06-2021
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CH3-O-C2H5 का IUPAC प्रणाली के अनुसार name
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