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प्रश्न
Choose the correct option.
Which of the following statements are true with respect to electronic displacement in a covalent bond?
a. Inductive effect operates through π bond
b. Resonance effect operates through σ bond
c. Inductive effect operates through σ bond
d. Resonance effect operates through π bond
विकल्प
a and b
a and c
c and d
b and c
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उत्तर
c and d
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संबंधित प्रश्न
Draw a resonance structure of the following:
Buta-1,3-diene
Distinguish between Inductive effect and resonance effect.
Distinguish between Homolysis and heterolysis.
Write true or false. Correct the false statement.
Homolytic fission involves the unsymmetrical breaking of a covalent bond.
Write true or false. Correct the false statement.
Heterolytic fission results in the formation of free radicals.
Write true or false. Correct the false statement.
Free radicals are negatively charged species.
Choose the correct option.
The geometry of a carbocation is ______.
Predict the order of reactivity of the following compounds by SNl reaction mechanism.
\[\ce{\underset{\text{(I)}}{C6H5CH(C6H5)Cl}}\]
\[\ce{\underset{\text{(II)}}{C6H5CH2Cl}}\]
\[\ce{\underset{\text{(III)}}{C6H5C(CH3)(C6H5)Cl}}\]
Which of the following compound is highly reactive towards HCN?
Which of the following is the strongest nucleophile?
Identify the reagent used in the following reaction:
\[\ce{CH3 - CH2 - Br ->[?] CH3 - CH2 - OH}\]
The +I inductive effect is shown by which of the following groups?
Which of the following shows positive resonance (+R) effect?
Which of the following alkyl groups shows least positive inductive effect?
Which of the following represents a set of nucleophiles?
How many pi bonds and sigma bonds are present in following molecule?
The most probable product in the reaction given below is:
Which element among the following does form pπ - pπ multiple bonds?
Identify the α-carbons in the following species and give the total number of α-hydrogen.
\[\ce{CH3 - CH2 - \overset{⊕}{C}H - CH2 - CH3}\]
Identify the α-carbons in the following species and give the total number of α-hydrogen.
\[\ce{CH2 = CH - CH2 - CH3}\]
Identify the α-carbons in the following species and give the total number of α-hydrogen in it.
CH2 = CH − CH2 − CH3
Identify the α-carbons in the following species and give the total number of α-hydrogen.
\[\ce{CH2 = CH - CH2 - CH3}\]
Identify the α - carbons in the following species and give the total number of α-hydrogen in each.
\[\ce{CH3 - CH2 - \overset{\oplus}{C}H -CH2 - CH2 }\]
Identify the α-carbons in the following species and give the total number of α-hydrogen.
CH2 = CH - CH2 - CH3
Identify the α-carbons in the following species and give the total number of α-hydrogen.
\[\ce{CH2 = CH - CH2 - CH3}\]
Identify the α - carbons in the following species and give the total number of α-hydrogen in each.
\[\ce{CH3 - CH2 - \overset{\oplus}{C}H - CH2 - CH3}\]
Identify the α - carbons in the following species and give the total number of α-hydrogen in each.
\[\ce{CH2 = CH - CH2 - CH3}\]
Identify the α-carbons in the following species and give the total number of α-hydrogens.
\[\ce{CH3 - CH2 - \overset{⊕}{C}H - CH2 - CH3}\]
Identify the α-carbons in the following species and give the total number of α-hydrogen.
\[\ce{CH2 = CH - CH2 - CH3}\]
