MCQ
Decreasing order of rate of reaction of molecules towards electrophillc addition reaction is
- A$a > b > c > d$
- B$b > c > a > d$
- ✓$d > b > c > a$
- D$b > d > c > a$
✓
Answer
Correct option: C.
$d > b > c > a$
c
$(c)$ Rate determining step is formation of carbocation
$(c)$ Rate determining step is formation of carbocation
$(a)$ is least stable due to $(-R)$ of $-NO_2$
$(b)\, +R\, (-OH)$
$(c) \,-CH_3$ (hyperconjunction)
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
In which of the following options the order of arrangement does not agree with the variation of property indicated against it ?
Amongst the following which one will have maximum 'lone pair - lone pair' electron repulsions?
Experiment shows that ${H_2}O$ has a dipole moment while $C{O_2}$ has not. Point out the structures which best illustrate these facts
→The percentage Ionic character of the $HBr$ molecule, if the dipole moment is $0.63\, D$ & $HBr$ bond length $187.5\, Pm$ is ?............... $\%$
→The solubility product of $PbI _{2}$ is $8.0 \times 10^{-9} .$ The solubility of lead iodide in $0.1$ molar solution of lead nitrate is $x \times 10^{-6} \,mol / L$. The value of $x$ is ....... .(Rounded off to the nearest integer)
→$[$ Given $: \sqrt{2}=1.41]$
Which of the following orders correctly depicts the decreasing order of stability of carbanion?
In the chemical reaction $C{l_2} + {H_2}S \to 2HCl + S$, the oxidation number of sulphur changes from
→Rate of reaction towards reduction using $(H_2 /Pt)$
→In above compounds, decreasing order of rate of electrophilic aromatic substitution will be ?
When aluminium is heated in the atmosphere of nitrogen it forms a nitride of formula :