Among alkyl halides, order of reactivity of SN2 reaction is
CH3X> p-RX >Sec-RX > tert-RX
Discuss the factors which are mainly responsible for this order.
Among the alkyl halides, a typical sequence for S,2 reactivity is thu
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Match the following ions with their correct pKa values and give reasons for your answer:
Column I, Ion Column II, pKa
Among alkyl halides, order of reactivity of SN2 reaction is
CH3X> p-RX >Sec-RX > tert-RX
Discuss the factors which are mainly responsible for this order.
What are nucleotides? Draw the structures of nucleotides present in DNA and give their names.
Explain the following:
(i) Alkanes with odd number of carbon atoms have low melting point than those with an even number.
(ii) Wurtz reaction is not very useful when two different alkyl halides are used.
Draw cis and trans- isomers of 1,3-cyclobutanedicarboxylic acid. Comment on the dipole moment of these isomers.
What is resonance energy? Explain taking the example of benzene.
How will you prepare the following ?
(i) 10 -Hexyne from ethyne
(i) Ethanol from ethyne
(ii) 3-Hexanone from 3-hexyne.