00. Electronic effect and Its Applications
GENERAL ORGANIC CHEMISTRY

231415 Given below are two statements.
Statement I: Hyperconjugation is a permanent effect.
Statement II: Hyperconjugation in ethyl cation $\left(\mathrm{CH}_{3}-\stackrel{+}{\mathrm{C}} \mathrm{H}_{2}\right)$ involves the overlapping of $\mathrm{C}_{\mathrm{sp}}{ }^{2}-\mathrm{H}_{1 \mathrm{~s}}$ bond with empty $2 \mathrm{p}$ orbital of other carbon.
Choose the correct option :

1 Both statement I and statement II are false
2 Statement I is incorrect but statement II is true
3 Statement I is true but statement II is false
4 Both Statement I and statement II are true
GENERAL ORGANIC CHEMISTRY

231420 Among the following acids which has the lowest $\mathrm{pK}_{\mathrm{a}}$ value?

1 $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{COOH}$
2 $\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CH}-\mathrm{COOH}$
3 $\mathrm{HCOOH}$
4 $\mathrm{CH}_{2} \mathrm{COOH}$
GENERAL ORGANIC CHEMISTRY

231463 Inductive effect involves

1 Displacement of \(\sigma\)-electrons
2 Delocalization of \(\pi\)-electrons
3 Delocalization of \(\sigma\)-electrons
4 Displacement of \(\pi\)-electrons
GENERAL ORGANIC CHEMISTRY

231441 The weakest base among the following is

1 dimethylamine
2 aniline
3 methylamine
4 ethylamine
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
GENERAL ORGANIC CHEMISTRY

231415 Given below are two statements.
Statement I: Hyperconjugation is a permanent effect.
Statement II: Hyperconjugation in ethyl cation $\left(\mathrm{CH}_{3}-\stackrel{+}{\mathrm{C}} \mathrm{H}_{2}\right)$ involves the overlapping of $\mathrm{C}_{\mathrm{sp}}{ }^{2}-\mathrm{H}_{1 \mathrm{~s}}$ bond with empty $2 \mathrm{p}$ orbital of other carbon.
Choose the correct option :

1 Both statement I and statement II are false
2 Statement I is incorrect but statement II is true
3 Statement I is true but statement II is false
4 Both Statement I and statement II are true
GENERAL ORGANIC CHEMISTRY

231420 Among the following acids which has the lowest $\mathrm{pK}_{\mathrm{a}}$ value?

1 $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{COOH}$
2 $\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CH}-\mathrm{COOH}$
3 $\mathrm{HCOOH}$
4 $\mathrm{CH}_{2} \mathrm{COOH}$
GENERAL ORGANIC CHEMISTRY

231463 Inductive effect involves

1 Displacement of \(\sigma\)-electrons
2 Delocalization of \(\pi\)-electrons
3 Delocalization of \(\sigma\)-electrons
4 Displacement of \(\pi\)-electrons
GENERAL ORGANIC CHEMISTRY

231441 The weakest base among the following is

1 dimethylamine
2 aniline
3 methylamine
4 ethylamine
GENERAL ORGANIC CHEMISTRY

231415 Given below are two statements.
Statement I: Hyperconjugation is a permanent effect.
Statement II: Hyperconjugation in ethyl cation $\left(\mathrm{CH}_{3}-\stackrel{+}{\mathrm{C}} \mathrm{H}_{2}\right)$ involves the overlapping of $\mathrm{C}_{\mathrm{sp}}{ }^{2}-\mathrm{H}_{1 \mathrm{~s}}$ bond with empty $2 \mathrm{p}$ orbital of other carbon.
Choose the correct option :

1 Both statement I and statement II are false
2 Statement I is incorrect but statement II is true
3 Statement I is true but statement II is false
4 Both Statement I and statement II are true
GENERAL ORGANIC CHEMISTRY

231420 Among the following acids which has the lowest $\mathrm{pK}_{\mathrm{a}}$ value?

1 $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{COOH}$
2 $\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CH}-\mathrm{COOH}$
3 $\mathrm{HCOOH}$
4 $\mathrm{CH}_{2} \mathrm{COOH}$
GENERAL ORGANIC CHEMISTRY

231463 Inductive effect involves

1 Displacement of \(\sigma\)-electrons
2 Delocalization of \(\pi\)-electrons
3 Delocalization of \(\sigma\)-electrons
4 Displacement of \(\pi\)-electrons
GENERAL ORGANIC CHEMISTRY

231441 The weakest base among the following is

1 dimethylamine
2 aniline
3 methylamine
4 ethylamine
GENERAL ORGANIC CHEMISTRY

231415 Given below are two statements.
Statement I: Hyperconjugation is a permanent effect.
Statement II: Hyperconjugation in ethyl cation $\left(\mathrm{CH}_{3}-\stackrel{+}{\mathrm{C}} \mathrm{H}_{2}\right)$ involves the overlapping of $\mathrm{C}_{\mathrm{sp}}{ }^{2}-\mathrm{H}_{1 \mathrm{~s}}$ bond with empty $2 \mathrm{p}$ orbital of other carbon.
Choose the correct option :

1 Both statement I and statement II are false
2 Statement I is incorrect but statement II is true
3 Statement I is true but statement II is false
4 Both Statement I and statement II are true
GENERAL ORGANIC CHEMISTRY

231420 Among the following acids which has the lowest $\mathrm{pK}_{\mathrm{a}}$ value?

1 $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{COOH}$
2 $\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CH}-\mathrm{COOH}$
3 $\mathrm{HCOOH}$
4 $\mathrm{CH}_{2} \mathrm{COOH}$
GENERAL ORGANIC CHEMISTRY

231463 Inductive effect involves

1 Displacement of \(\sigma\)-electrons
2 Delocalization of \(\pi\)-electrons
3 Delocalization of \(\sigma\)-electrons
4 Displacement of \(\pi\)-electrons
GENERAL ORGANIC CHEMISTRY

231441 The weakest base among the following is

1 dimethylamine
2 aniline
3 methylamine
4 ethylamine