MCQ
Which of the following order is not correct?
- A
- ✓$ - \mathop N\limits^ \oplus {H_3} > - \mathop N\limits^ \oplus {R_3} > - N{O_2} > C \equiv N$ Order of $-I$ effect
- C
- D
✓
Answer
Correct option: B.
$ - \mathop N\limits^ \oplus {H_3} > - \mathop N\limits^ \oplus {R_3} > - N{O_2} > C \equiv N$ Order of $-I$ effect
b
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 polyenes that contain differently substituted $(C=C)$ double bonds, it is possible to hydrogenate chemeselectively one $(C=C)$ double bond. Product is
→The lightest metal is
$\text{xKMnO}_4+\text{NH}_3\xrightarrow{ \ \ \ \ \ \ \ \ \ \ }\text{yKNO}_3\\+\text{MnO}_3+\text{KOH}+\text{H}_2\text{O}$
→Which has maximum dipole moment and can show optical isomerism
Which of the following configuration belongs to $s-$ block elements
→An element $M$ has an atomic mass $19$ and atomic number $9$. Its ion is represented by
→Choose the chain terminating step
→(1)${H_2} \to {H^ \bullet } + {H^ \bullet }$
(2)$B{r_2} \to B{r^ \bullet } + B{r^ \bullet }$
(3)$B{r^ \bullet } + HBr \to {H^ \bullet } + B{r_2}$
(4)${H^ \bullet } + B{r_2} \to HBr + B{r^ \bullet }$
(5)$B{r^ \bullet } + B{r^ \bullet } \to B{r_2}$
The pairs of species of oxygen and their magnetic behaviour are noted below. Which of the following presents the correct description ?
If ${H^ + } + O{H^ - } \to {H_2}O + 13.7\,kcal$, then the heat of neutralization for complete neutralization of one mole of ${H_2}S{O_4}$ by base will be.......$kcal$
→Assertion : $1-$ Butene on reaction with $HBr$ in the presence of a peroxide produces $1-$ bromobutane.
Reason : It involves the formation of a primary radical.