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Electron Displacement Effects or Polar Effects

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317195 Number of \({\rm{\alpha }}\)-hydrogen in given compound is.
supporting img

1 4

2 6

3 8

4 1

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317197 Correct order of \({{\rm{K}}_{{{\rm{a}}_{\rm{1}}}}}\,\,{\rm{\& }}\,\,\,{{\rm{K}}_{{{\rm{a}}_{\rm{2}}}}}\) in the following carboxylic acids is
supporting img

1 \(\mathrm{K}_{\mathrm{a}_{1}}=\) I \(>\) II \(>\) III \(>\) IV
\(\mathrm{K}_{\mathrm{a}_{2}}=\) IV \(>\) III \(>\) II \(>\) I

2 \(\mathrm{K}_{\mathrm{a}_{1}}=\) IV \(>\) III \(>\) II \(>\) I
\(\mathrm{K}_{\mathrm{a}_{2}}=\) I \(>\) II \(>\) III \(>\) IV

3 \(\mathrm{K}_{\mathrm{a}_{1}}=\) II \(>\) III \(>\) IV \(>\) I
\(\mathrm{K}_{\mathrm{a}_{2}}=\) I \(>\) IV \(>\) III \(>\) II

4 \(\mathrm{K}_{\mathrm{a}_{1}}=\) II \(>\) IV \(>\) I \(>\) III
\(\mathrm{K}_{\mathrm{a}_{2}}=\) I \(>\) III \(>\) IV \(>\) II

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317198 Base strength of
(A) \(\mathrm{H}_{3} \mathrm{C} \stackrel{\oplus}{\mathrm{C}} \mathrm{H}_{2}\)
(B) \(\mathrm{H}_{2} \mathrm{C}=\stackrel{\oplus}{\mathrm{C}} \mathrm{H}\) and
(C) \({\rm{H}} - {\rm{C}} \equiv \mathop {\rm{C}}\limits^ \oplus \) is in the order of

1 \(\left( {\rm{C}} \right){\rm{ > }}\left( {\rm{B}} \right){\rm{ > }}\left( {\rm{A}} \right)\)

2 \(\left( {\rm{A}} \right){\rm{ > }}\left( {\rm{C}} \right){\rm{ > }}\left( {\rm{B}} \right)\)

3 \(\left( {\rm{A}} \right){\rm{ > }}\left( {\rm{B}} \right){\rm{ > }}\left( {\rm{C}} \right)\)

4 \(\left( {\rm{B}} \right){\rm{ > }}\left( {\rm{A}} \right){\rm{ > }}\left( {\rm{C}} \right)\)

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317199 Which of the following is the correct order of acidity of carboxylic acids?

1 \(\mathrm{CCl}_{3} \mathrm{COOH} < \mathrm{CHCl}_{2} \mathrm{COOH}\)

2 \(\mathrm{FCH}_{2} \mathrm{COOH}>\mathrm{BrCH}_{2} \mathrm{COOH}\)

3 \(\mathrm{HCOOH} < \mathrm{CH}_{3} \mathrm{COOH}\)

4 \(\mathrm{NO}_{2} \mathrm{CH}_{2} \mathrm{COOH}=\mathrm{CNCH}_{2} \mathrm{COOH}\)

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317200 In which of the following compounds the carbon marked with asterisk is expected to have greatest positive charge?

1 \({ }^{*} \mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{Cl}\)

2 \({ }^{*} \mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{Mg}^{+} \mathrm{Cl}^{-}\)

3 \({ }^{*} \mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{Br}\)

4 \({ }^{*} \mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{CH}_{3}\)

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CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317195 Number of \({\rm{\alpha }}\)-hydrogen in given compound is.
supporting img

1 4

2 6

3 8

4 1

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317197 Correct order of \({{\rm{K}}_{{{\rm{a}}_{\rm{1}}}}}\,\,{\rm{\& }}\,\,\,{{\rm{K}}_{{{\rm{a}}_{\rm{2}}}}}\) in the following carboxylic acids is
supporting img

1 \(\mathrm{K}_{\mathrm{a}_{1}}=\) I \(>\) II \(>\) III \(>\) IV
\(\mathrm{K}_{\mathrm{a}_{2}}=\) IV \(>\) III \(>\) II \(>\) I

2 \(\mathrm{K}_{\mathrm{a}_{1}}=\) IV \(>\) III \(>\) II \(>\) I
\(\mathrm{K}_{\mathrm{a}_{2}}=\) I \(>\) II \(>\) III \(>\) IV

3 \(\mathrm{K}_{\mathrm{a}_{1}}=\) II \(>\) III \(>\) IV \(>\) I
\(\mathrm{K}_{\mathrm{a}_{2}}=\) I \(>\) IV \(>\) III \(>\) II

4 \(\mathrm{K}_{\mathrm{a}_{1}}=\) II \(>\) IV \(>\) I \(>\) III
\(\mathrm{K}_{\mathrm{a}_{2}}=\) I \(>\) III \(>\) IV \(>\) II

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317198 Base strength of
(A) \(\mathrm{H}_{3} \mathrm{C} \stackrel{\oplus}{\mathrm{C}} \mathrm{H}_{2}\)
(B) \(\mathrm{H}_{2} \mathrm{C}=\stackrel{\oplus}{\mathrm{C}} \mathrm{H}\) and
(C) \({\rm{H}} - {\rm{C}} \equiv \mathop {\rm{C}}\limits^ \oplus \) is in the order of

1 \(\left( {\rm{C}} \right){\rm{ > }}\left( {\rm{B}} \right){\rm{ > }}\left( {\rm{A}} \right)\)

2 \(\left( {\rm{A}} \right){\rm{ > }}\left( {\rm{C}} \right){\rm{ > }}\left( {\rm{B}} \right)\)

3 \(\left( {\rm{A}} \right){\rm{ > }}\left( {\rm{B}} \right){\rm{ > }}\left( {\rm{C}} \right)\)

4 \(\left( {\rm{B}} \right){\rm{ > }}\left( {\rm{A}} \right){\rm{ > }}\left( {\rm{C}} \right)\)

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317199 Which of the following is the correct order of acidity of carboxylic acids?

1 \(\mathrm{CCl}_{3} \mathrm{COOH} < \mathrm{CHCl}_{2} \mathrm{COOH}\)

2 \(\mathrm{FCH}_{2} \mathrm{COOH}>\mathrm{BrCH}_{2} \mathrm{COOH}\)

3 \(\mathrm{HCOOH} < \mathrm{CH}_{3} \mathrm{COOH}\)

4 \(\mathrm{NO}_{2} \mathrm{CH}_{2} \mathrm{COOH}=\mathrm{CNCH}_{2} \mathrm{COOH}\)

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317200 In which of the following compounds the carbon marked with asterisk is expected to have greatest positive charge?

1 \({ }^{*} \mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{Cl}\)

2 \({ }^{*} \mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{Mg}^{+} \mathrm{Cl}^{-}\)

3 \({ }^{*} \mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{Br}\)

4 \({ }^{*} \mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{CH}_{3}\)

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CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317195 Number of \({\rm{\alpha }}\)-hydrogen in given compound is.
supporting img

1 4

2 6

3 8

4 1

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317197 Correct order of \({{\rm{K}}_{{{\rm{a}}_{\rm{1}}}}}\,\,{\rm{\& }}\,\,\,{{\rm{K}}_{{{\rm{a}}_{\rm{2}}}}}\) in the following carboxylic acids is
supporting img

1 \(\mathrm{K}_{\mathrm{a}_{1}}=\) I \(>\) II \(>\) III \(>\) IV
\(\mathrm{K}_{\mathrm{a}_{2}}=\) IV \(>\) III \(>\) II \(>\) I

2 \(\mathrm{K}_{\mathrm{a}_{1}}=\) IV \(>\) III \(>\) II \(>\) I
\(\mathrm{K}_{\mathrm{a}_{2}}=\) I \(>\) II \(>\) III \(>\) IV

3 \(\mathrm{K}_{\mathrm{a}_{1}}=\) II \(>\) III \(>\) IV \(>\) I
\(\mathrm{K}_{\mathrm{a}_{2}}=\) I \(>\) IV \(>\) III \(>\) II

4 \(\mathrm{K}_{\mathrm{a}_{1}}=\) II \(>\) IV \(>\) I \(>\) III
\(\mathrm{K}_{\mathrm{a}_{2}}=\) I \(>\) III \(>\) IV \(>\) II

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317198 Base strength of
(A) \(\mathrm{H}_{3} \mathrm{C} \stackrel{\oplus}{\mathrm{C}} \mathrm{H}_{2}\)
(B) \(\mathrm{H}_{2} \mathrm{C}=\stackrel{\oplus}{\mathrm{C}} \mathrm{H}\) and
(C) \({\rm{H}} - {\rm{C}} \equiv \mathop {\rm{C}}\limits^ \oplus \) is in the order of

1 \(\left( {\rm{C}} \right){\rm{ > }}\left( {\rm{B}} \right){\rm{ > }}\left( {\rm{A}} \right)\)

2 \(\left( {\rm{A}} \right){\rm{ > }}\left( {\rm{C}} \right){\rm{ > }}\left( {\rm{B}} \right)\)

3 \(\left( {\rm{A}} \right){\rm{ > }}\left( {\rm{B}} \right){\rm{ > }}\left( {\rm{C}} \right)\)

4 \(\left( {\rm{B}} \right){\rm{ > }}\left( {\rm{A}} \right){\rm{ > }}\left( {\rm{C}} \right)\)

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317199 Which of the following is the correct order of acidity of carboxylic acids?

1 \(\mathrm{CCl}_{3} \mathrm{COOH} < \mathrm{CHCl}_{2} \mathrm{COOH}\)

2 \(\mathrm{FCH}_{2} \mathrm{COOH}>\mathrm{BrCH}_{2} \mathrm{COOH}\)

3 \(\mathrm{HCOOH} < \mathrm{CH}_{3} \mathrm{COOH}\)

4 \(\mathrm{NO}_{2} \mathrm{CH}_{2} \mathrm{COOH}=\mathrm{CNCH}_{2} \mathrm{COOH}\)

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317200 In which of the following compounds the carbon marked with asterisk is expected to have greatest positive charge?

1 \({ }^{*} \mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{Cl}\)

2 \({ }^{*} \mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{Mg}^{+} \mathrm{Cl}^{-}\)

3 \({ }^{*} \mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{Br}\)

4 \({ }^{*} \mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{CH}_{3}\)

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CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317195 Number of \({\rm{\alpha }}\)-hydrogen in given compound is.
supporting img

1 4

2 6

3 8

4 1

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317197 Correct order of \({{\rm{K}}_{{{\rm{a}}_{\rm{1}}}}}\,\,{\rm{\& }}\,\,\,{{\rm{K}}_{{{\rm{a}}_{\rm{2}}}}}\) in the following carboxylic acids is
supporting img

1 \(\mathrm{K}_{\mathrm{a}_{1}}=\) I \(>\) II \(>\) III \(>\) IV
\(\mathrm{K}_{\mathrm{a}_{2}}=\) IV \(>\) III \(>\) II \(>\) I

2 \(\mathrm{K}_{\mathrm{a}_{1}}=\) IV \(>\) III \(>\) II \(>\) I
\(\mathrm{K}_{\mathrm{a}_{2}}=\) I \(>\) II \(>\) III \(>\) IV

3 \(\mathrm{K}_{\mathrm{a}_{1}}=\) II \(>\) III \(>\) IV \(>\) I
\(\mathrm{K}_{\mathrm{a}_{2}}=\) I \(>\) IV \(>\) III \(>\) II

4 \(\mathrm{K}_{\mathrm{a}_{1}}=\) II \(>\) IV \(>\) I \(>\) III
\(\mathrm{K}_{\mathrm{a}_{2}}=\) I \(>\) III \(>\) IV \(>\) II

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317198 Base strength of
(A) \(\mathrm{H}_{3} \mathrm{C} \stackrel{\oplus}{\mathrm{C}} \mathrm{H}_{2}\)
(B) \(\mathrm{H}_{2} \mathrm{C}=\stackrel{\oplus}{\mathrm{C}} \mathrm{H}\) and
(C) \({\rm{H}} - {\rm{C}} \equiv \mathop {\rm{C}}\limits^ \oplus \) is in the order of

1 \(\left( {\rm{C}} \right){\rm{ > }}\left( {\rm{B}} \right){\rm{ > }}\left( {\rm{A}} \right)\)

2 \(\left( {\rm{A}} \right){\rm{ > }}\left( {\rm{C}} \right){\rm{ > }}\left( {\rm{B}} \right)\)

3 \(\left( {\rm{A}} \right){\rm{ > }}\left( {\rm{B}} \right){\rm{ > }}\left( {\rm{C}} \right)\)

4 \(\left( {\rm{B}} \right){\rm{ > }}\left( {\rm{A}} \right){\rm{ > }}\left( {\rm{C}} \right)\)

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317199 Which of the following is the correct order of acidity of carboxylic acids?

1 \(\mathrm{CCl}_{3} \mathrm{COOH} < \mathrm{CHCl}_{2} \mathrm{COOH}\)

2 \(\mathrm{FCH}_{2} \mathrm{COOH}>\mathrm{BrCH}_{2} \mathrm{COOH}\)

3 \(\mathrm{HCOOH} < \mathrm{CH}_{3} \mathrm{COOH}\)

4 \(\mathrm{NO}_{2} \mathrm{CH}_{2} \mathrm{COOH}=\mathrm{CNCH}_{2} \mathrm{COOH}\)

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317200 In which of the following compounds the carbon marked with asterisk is expected to have greatest positive charge?

1 \({ }^{*} \mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{Cl}\)

2 \({ }^{*} \mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{Mg}^{+} \mathrm{Cl}^{-}\)

3 \({ }^{*} \mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{Br}\)

4 \({ }^{*} \mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{CH}_{3}\)

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CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317195 Number of \({\rm{\alpha }}\)-hydrogen in given compound is.
supporting img

1 4

2 6

3 8

4 1

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317197 Correct order of \({{\rm{K}}_{{{\rm{a}}_{\rm{1}}}}}\,\,{\rm{\& }}\,\,\,{{\rm{K}}_{{{\rm{a}}_{\rm{2}}}}}\) in the following carboxylic acids is
supporting img

1 \(\mathrm{K}_{\mathrm{a}_{1}}=\) I \(>\) II \(>\) III \(>\) IV
\(\mathrm{K}_{\mathrm{a}_{2}}=\) IV \(>\) III \(>\) II \(>\) I

2 \(\mathrm{K}_{\mathrm{a}_{1}}=\) IV \(>\) III \(>\) II \(>\) I
\(\mathrm{K}_{\mathrm{a}_{2}}=\) I \(>\) II \(>\) III \(>\) IV

3 \(\mathrm{K}_{\mathrm{a}_{1}}=\) II \(>\) III \(>\) IV \(>\) I
\(\mathrm{K}_{\mathrm{a}_{2}}=\) I \(>\) IV \(>\) III \(>\) II

4 \(\mathrm{K}_{\mathrm{a}_{1}}=\) II \(>\) IV \(>\) I \(>\) III
\(\mathrm{K}_{\mathrm{a}_{2}}=\) I \(>\) III \(>\) IV \(>\) II

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317198 Base strength of
(A) \(\mathrm{H}_{3} \mathrm{C} \stackrel{\oplus}{\mathrm{C}} \mathrm{H}_{2}\)
(B) \(\mathrm{H}_{2} \mathrm{C}=\stackrel{\oplus}{\mathrm{C}} \mathrm{H}\) and
(C) \({\rm{H}} - {\rm{C}} \equiv \mathop {\rm{C}}\limits^ \oplus \) is in the order of

1 \(\left( {\rm{C}} \right){\rm{ > }}\left( {\rm{B}} \right){\rm{ > }}\left( {\rm{A}} \right)\)

2 \(\left( {\rm{A}} \right){\rm{ > }}\left( {\rm{C}} \right){\rm{ > }}\left( {\rm{B}} \right)\)

3 \(\left( {\rm{A}} \right){\rm{ > }}\left( {\rm{B}} \right){\rm{ > }}\left( {\rm{C}} \right)\)

4 \(\left( {\rm{B}} \right){\rm{ > }}\left( {\rm{A}} \right){\rm{ > }}\left( {\rm{C}} \right)\)

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317199 Which of the following is the correct order of acidity of carboxylic acids?

1 \(\mathrm{CCl}_{3} \mathrm{COOH} < \mathrm{CHCl}_{2} \mathrm{COOH}\)

2 \(\mathrm{FCH}_{2} \mathrm{COOH}>\mathrm{BrCH}_{2} \mathrm{COOH}\)

3 \(\mathrm{HCOOH} < \mathrm{CH}_{3} \mathrm{COOH}\)

4 \(\mathrm{NO}_{2} \mathrm{CH}_{2} \mathrm{COOH}=\mathrm{CNCH}_{2} \mathrm{COOH}\)

CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317200 In which of the following compounds the carbon marked with asterisk is expected to have greatest positive charge?

1 \({ }^{*} \mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{Cl}\)

2 \({ }^{*} \mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{Mg}^{+} \mathrm{Cl}^{-}\)

3 \({ }^{*} \mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{Br}\)

4 \({ }^{*} \mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{CH}_{3}\)

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