Advertisements
Advertisements
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
Advertisements
उत्तर
c and d
APPEARS IN
संबंधित प्रश्न
Find out the most stable species from the following. Justify
`dot"CH","CH"_3-dot"CH" - "CH"_3,` \[\begin{array}{cc}\ce{CH3 -\dot{C} - CH3}\\
|\phantom{.}\\\phantom{..}\ce{CH3}\end{array}\]
Find out the most stable species from the following. Justify.
`bar"C""H"_3, bar"C""H"_2"Br", bar"C""Br"_3`
Draw a resonance structure of the following:
Acetate ion
Write true or false. Correct the false statement.
Free radicals are negatively charged species.
Choose the correct option.
Hyperconjugation involves overlap of ______ orbitals.
Choose the correct option.
The homologous series of alcohols has general molecular formula ______.
Which of the following compound is highly reactive towards HCN?
Which of the following is the strongest nucleophile?
Which of the following is TRUE for homolytic fission?
The best reagent for the following conversion is:
The most unstable free radical among the following is:
Which of the following is the most unstable carbocation?
Which of the following alkyl groups shows least positive inductive effect?
Which of the following represents a set of nucleophiles?
Which of the following statements is not correct?
Which element among the following does form pπ - pπ multiple bonds?
Identify the group that exerts electron withdrawing resonance effect.
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.
\[\ce{CH3 - CH2 - \overset{⊕}{C}H - CH2 - CH3}\]
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.
\[\ce{CH2 = CH - CH2 - CH3}\]
Identify the α-carbon 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 - carbon 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-hydrogens.
\[\ce{CH3 - CH2 - \overset{⊕}{C}H - CH2 - CH3}\]
Which of the following groups exhibits a +I effect?
