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प्रश्न
3, 3-dimethyl butane-2-ol on treatment with conc. H2SO4 to give tetramethyl ethylene as a major product. Suggest a suitable mechanism.
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उत्तर
According to Saytzeff’s rule the dehydration of 3, 3-dimethyl butane-2-ol gives a mixture of alkenes. But the secondary carbocation formed in this reaction undergoes rearrangement to form a more stable tertiary carbocation which further, undergoes 13 elimination leads more stable product, that is 2, 3-dimethyl but-2-ene (more yield). According to Saytzeff’s rule, 2, 3-dimethyl pent-2-ene is the major product.
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संबंधित प्रश्न
Carbolic acid is ____________.
One mole of an organic compound (A) with the formula C3H8O reacts completely with two moles of HI to form X and Y. When Y is boiled with aqueous alkali it forms Z. Z answers the iodoform test. The compound (A) is ___________.
Predict the major product, when 2-methyl-but-2-ene is converted into alcohol in the following method.
Hydroboration
Draw the major product formed when 1-ethoxyprop-1-ene is heated with one equivalent of HI
What will be the product (X and A) for the following reaction?
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Predict the major product, when 2-methyl but -2-ene is converted into an alcohol in each of the following method.
Acid catalysed hydration
Predict the major product, when 2-methyl but -2-ene is converted into an alcohol in each of the following method.
Acid catalysed hydration
Predict the major product, when 2-methyl but -2-ene is converted into an alcohol in each of the following methods.
Acid catalysed hydration
Predict the major product, when 2-methyl but – 2 – ene is converted into an alcohol in each of the following method.
Acid catalysed hydration.
Predict the major product, when 2-methyl but-2-ene is converted into an alcohol of the following method:
Acid catalysed hydration
