Which of the following is an accurate statement of Hammond\'s postulate? The tra

Question

Which of the following is an accurate statement of Hammond's postulate? The transition state of an exothermic reaction will resemble the starting materials (reactants) more than the product. The transition state of an exothermic reaction will resemble the products more than the starting materials (reactants). The transition state of an endothermic reaction will resemble the starling materials (reactants) more than the product the difference in energy between the starting materials (reactants) and transition state controls the rate of a reaction What is the major organic product obtained from the following reaction? (what is the role of peroxide in this reaction?) 1 2 3 4 Which atomic orbitals overlap to form the carbon-carbon triple bond of an alkyne? Is + 2s; sp + sp; 2p + 2p sp + sp; sp + sp; 2p + 2p sp + sp; 2p + 2p. 2p + 2p sp^2 + sp^2; sp + sp; 2p -+ 2p Which of the following has the lowest pk_4? butane 1-butene 1-butyne 2-butyne

Explanation / Answer

27) a

28) C (Peroxide effect , Anti-markovnikov addition)

29) C (Each of the carbons involved in the making of bond, the s and p orbitals hybridize to form an sp orbital that overlaps with the other sp orbital. Then two 2p orbitals are left on each Carbon, and these overlap, forms triple bond)

30) C

Acidity of 1-butyne is more compare to others so it has high Ka value hence it has lower pKa value

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