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List the following compounds in the order of decreasing reactivity towards nucleophilic attack.

I.CH3CH2CH2-CO-CH2CH3   II.CH3CH2CHO III.CH3CH2CH(CH3)CO-C(CH3)2CHCH3

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Important Questions on Organic Chemistry- Some Basic Principles and Techniques

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Arrange the following compounds in order of decreasing acidity :
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In which of the following compounds, the C-Cl bond ionization shall give most stable carbonium ion?
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In which of the following molecules, all atoms are coplanar?
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The hyperconjugative stabilities of tert-butyl cation and 2-butene, respectively, due to 
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Which of the following statements is not correct for a nucleophile?

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Which of the following molecules is least resonance stabilized?
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In pyrrole, the electron density is maximum on

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The compound that is most difficult to protonate is:
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The order of stability of the following carbocations:
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A solution of (-)1-chloro-1-phenylethane in toluene racemises slowly in the presence of a small amount of SbCl5, due to the formation of :
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The stability of carbocations

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follows the order
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Which of the following is correct with respect to -I effect of the substituent? (R=alkyl group)
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The correct statement regarding electrophiles is:

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The correct sequence of reagents for the following conversion will be

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In which of the following pairs A is more stable than B?
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Which among the following is a set of nucleophiles?
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The increasing order of nucleophilicity of the following nucleophiles is;
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Consider the following compounds

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Hyperconjugation occurs in:
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Identify the functional group that has electron donating inductive effect.
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Which of the following alkyl groups shows least positive inductive effect?