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WorksheetsMid Sem Examination CHB301
Total questions: 10
Worksheet time: 22mins
Arrange the following groups in the order of decreasing +I effect.
C6H5O– > COO– > CR3 > CHR2 > H
C6H5O– > H > CR3 > CHR2 > COO–
CR3 > C6H5O– > H > COO– > CHR2
C6H5O– > COO– > CHR2 > CR3 > H
Relative basic strength of amines does not depend upon ____________
Inductive effect
Mesomeric effect
Steric effect
Stabilisation of cation by hydration
Which of the following is a temporary effect brought into play at the requirement of attacking reagent?
Inductive effect
Mesomeric effect
Electromeric effect
Inductomeric effect
The stability of 2,3-dimethyl but-2-ene is more than 2-butene. This can be explained in terms of:
Resonance
Hyperconjugation
Electromeric effect
Inductive effect
The most unlikely representation of resonance structures of p-nitrophenoxide ion is:
The least stable resonance structure among the following is
Which of the following is not aromatic ?
Which of the following is not aromatic?
Which of the following is a defective resonance contributor of p-nitrophenol ?
Which compound is not aromatic?
