MCQ
Which one of the following compounds is most acidic
- A$Cl - C{H_2} - C{H_2} - OH$
- ✓
- C
- D
✓
Answer
Correct option: B.
b
(b) Electron withdrawing group increases acidic character due to $-I$ and $-R$ effect of $N{O_2}$ hence orthonitrophenol is most acidic.
(b) Electron withdrawing group increases acidic character due to $-I$ and $-R$ effect of $N{O_2}$ hence orthonitrophenol is most acidic.
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
$0.16\, g$ of dibasic acid required $25 \,ml$ of decinormal $NaOH$ solution for complete neutralisation. The molecular weight of the acid will be
→In which of the following combinations, is buffer action expected
→$1$. $NH_3 + NH_4Cl$
$2$. $HCl + NaCl$
$3$. $NH_3 + HCl$ in $2 : 1$ $mole$ ratio
Select the correct answer using the code given below
In the compounds $\mathrm{KMnO}_4$ and $\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7,$ the highest oxidation state is of the element.
→Which particle may be removed from a stable neutral atom with least energy change :
Consider the following values of $IE(ev)$ for elements $W$ and $X$
→| Element | $IE_1$ | $IE_2$ | $IE_3$ | $IE_4$ |
| $W$ | $10.5$ | $15.5$ | $24.9$ | $79.8$ |
| $X$ | $8$ | $14.8$ | $78.9$ | $105.8$ |
Other two elements $Y$ and $Z$ have outer electronic configuration $ns^2$ $np^4$ and $ns^2$ $np^5$ respectively. According to given information which of the following compound $(s)$ is/are not possible
$(a)\, W_2Y_3\, (b)\, X_2Y_3\, (c)\, WZ_2\, (d)\, XZ_2$
The $100^{th}$ element is named in honor of :
→The systematic name of $C{H_3} - CHBr - C{H_2}OH$ is
→Which method is used to degrade the waste by microorganism in the absence of oxygen?
$CNG$ is an important transportation fuel. When $100 \,g$ $CNG$ is mixed with $208$ oxygen in vehicles, it leads to the formation of $CO _{2}$ and $H _{2} O$ and produces large quantity of heat during this combustion, then the amount of carbon dioxide, produced in grams is ...... [nearest integer] [Assume CNG to be methane]
→Choose the correct statement