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Compound A, C5H8, racts with hydrogen in the presence of Pd to yield a saturated hydorcarbon, B, C5H10. Compound A, on treatment with ozone followed by treatment of the ozonide with Zn/H2O yields a dialdehyde C, C5H8O2, Dialdehyde C on treatment with hydrazine and concentrated potassium hydorxide at elevated temperature gives 2-methylbutane. The structure of A is
(a)

(b)

(c)

(d)


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Important Questions on Unsaturated Hydrocarbons- Alkenes
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The major product of the following reaction is:

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In the given reaction, the product is

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In the following reaction sequence
X and Y are

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The enthalpy of hydrogenation of these compounds will be in the order as:

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is obtainable from ozonolysis of which of the following cyclic compounds?

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The major product of the following reaction is:

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The major product in the following conversion is

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What is the major product expected from the following reaction?
Where D is an isotope of hydrogen.

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