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When butane 2-ol is heated with H2 SO4 the major product is

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When butane 2-ol is heated with H2 SO4 the major product is 

(a) But-1-en 

(b) But-2-en 

(c) 2-methyl propene 

(d) Buta -1, 3-diene

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(b) But-2-en

Dehydration of butane-1-ol or 2-ol gives trans-but-2-en as the major product. According to Saytzeff rule But-2-ene is more Substituted alkene and therefore it will be major. 

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