Electron Displacement Effects or Polar Effects
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317247 Which of the following compounds possesses the "C-H" bond with the lowest bond dissociation energy?

1 Benzene
2 2, 2-Dimethylpropane
3 Toluene
4 n-Pentane
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317248 Correct order of basic nature is

1 \(\mathrm{NH}_{3}>\mathrm{CH}_{3} \mathrm{NH}_{2}>\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NH}_{2}\)
2 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NH}_{2}>\mathrm{NH}_{3}>\mathrm{CH}_{3} \mathrm{NH}_{2}\)
3 \(\mathrm{CH}_{3} \mathrm{NH}_{2}>\mathrm{NH}_{3}>\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NH}_{2}\)
4 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NH}_{2}>\mathrm{CH}_{3} \mathrm{NH}_{2}>\mathrm{NH}_{3}\)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317249 Correct order of \(\mathrm{K}_{\mathrm{a}}\) values of the following compounds is
(I) \(\mathrm{H}_{2} \mathrm{O}\)
(II) \(\mathrm{HC} \equiv \mathrm{CH}\)
(III) \(\mathrm{CH}_{3}-\mathrm{NH}_{2}\)
(IV) \(\mathrm{CH}_{2}=\mathrm{CH}_{2}\)

1 I \(>\) III \(>\) II \(>\) IV
2 I \(>\) II \(>\) III \(>\) IV
3 III \(>\) I \(>\) II \(>\) IV
4 II \(>\) I \(>\) III \(>\) IV
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317250 Mesomeric effect involve delocalisation of

1 \(\pi\)-electrons
2 \(\sigma\)-electrons
3 Protons
4 Neutrons
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317247 Which of the following compounds possesses the "C-H" bond with the lowest bond dissociation energy?

1 Benzene
2 2, 2-Dimethylpropane
3 Toluene
4 n-Pentane
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317248 Correct order of basic nature is

1 \(\mathrm{NH}_{3}>\mathrm{CH}_{3} \mathrm{NH}_{2}>\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NH}_{2}\)
2 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NH}_{2}>\mathrm{NH}_{3}>\mathrm{CH}_{3} \mathrm{NH}_{2}\)
3 \(\mathrm{CH}_{3} \mathrm{NH}_{2}>\mathrm{NH}_{3}>\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NH}_{2}\)
4 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NH}_{2}>\mathrm{CH}_{3} \mathrm{NH}_{2}>\mathrm{NH}_{3}\)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317249 Correct order of \(\mathrm{K}_{\mathrm{a}}\) values of the following compounds is
(I) \(\mathrm{H}_{2} \mathrm{O}\)
(II) \(\mathrm{HC} \equiv \mathrm{CH}\)
(III) \(\mathrm{CH}_{3}-\mathrm{NH}_{2}\)
(IV) \(\mathrm{CH}_{2}=\mathrm{CH}_{2}\)

1 I \(>\) III \(>\) II \(>\) IV
2 I \(>\) II \(>\) III \(>\) IV
3 III \(>\) I \(>\) II \(>\) IV
4 II \(>\) I \(>\) III \(>\) IV
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317250 Mesomeric effect involve delocalisation of

1 \(\pi\)-electrons
2 \(\sigma\)-electrons
3 Protons
4 Neutrons
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317247 Which of the following compounds possesses the "C-H" bond with the lowest bond dissociation energy?

1 Benzene
2 2, 2-Dimethylpropane
3 Toluene
4 n-Pentane
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317248 Correct order of basic nature is

1 \(\mathrm{NH}_{3}>\mathrm{CH}_{3} \mathrm{NH}_{2}>\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NH}_{2}\)
2 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NH}_{2}>\mathrm{NH}_{3}>\mathrm{CH}_{3} \mathrm{NH}_{2}\)
3 \(\mathrm{CH}_{3} \mathrm{NH}_{2}>\mathrm{NH}_{3}>\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NH}_{2}\)
4 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NH}_{2}>\mathrm{CH}_{3} \mathrm{NH}_{2}>\mathrm{NH}_{3}\)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317249 Correct order of \(\mathrm{K}_{\mathrm{a}}\) values of the following compounds is
(I) \(\mathrm{H}_{2} \mathrm{O}\)
(II) \(\mathrm{HC} \equiv \mathrm{CH}\)
(III) \(\mathrm{CH}_{3}-\mathrm{NH}_{2}\)
(IV) \(\mathrm{CH}_{2}=\mathrm{CH}_{2}\)

1 I \(>\) III \(>\) II \(>\) IV
2 I \(>\) II \(>\) III \(>\) IV
3 III \(>\) I \(>\) II \(>\) IV
4 II \(>\) I \(>\) III \(>\) IV
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317250 Mesomeric effect involve delocalisation of

1 \(\pi\)-electrons
2 \(\sigma\)-electrons
3 Protons
4 Neutrons
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317247 Which of the following compounds possesses the "C-H" bond with the lowest bond dissociation energy?

1 Benzene
2 2, 2-Dimethylpropane
3 Toluene
4 n-Pentane
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317248 Correct order of basic nature is

1 \(\mathrm{NH}_{3}>\mathrm{CH}_{3} \mathrm{NH}_{2}>\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NH}_{2}\)
2 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NH}_{2}>\mathrm{NH}_{3}>\mathrm{CH}_{3} \mathrm{NH}_{2}\)
3 \(\mathrm{CH}_{3} \mathrm{NH}_{2}>\mathrm{NH}_{3}>\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NH}_{2}\)
4 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NH}_{2}>\mathrm{CH}_{3} \mathrm{NH}_{2}>\mathrm{NH}_{3}\)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317249 Correct order of \(\mathrm{K}_{\mathrm{a}}\) values of the following compounds is
(I) \(\mathrm{H}_{2} \mathrm{O}\)
(II) \(\mathrm{HC} \equiv \mathrm{CH}\)
(III) \(\mathrm{CH}_{3}-\mathrm{NH}_{2}\)
(IV) \(\mathrm{CH}_{2}=\mathrm{CH}_{2}\)

1 I \(>\) III \(>\) II \(>\) IV
2 I \(>\) II \(>\) III \(>\) IV
3 III \(>\) I \(>\) II \(>\) IV
4 II \(>\) I \(>\) III \(>\) IV
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317250 Mesomeric effect involve delocalisation of

1 \(\pi\)-electrons
2 \(\sigma\)-electrons
3 Protons
4 Neutrons