MCQ
Select the acid with the highest $K_a$ (i.e., lowest $pK_a$).
- A
- ✓
- C
- D
✓
Answer
Correct option: B.
b
$(b)$ Acidic strength $\propto - I ; - H ; - M \, \propto \, \frac{1}{+I;+ H;+ R}$
$(b)$ Acidic strength $\propto - I ; - H ; - M \, \propto \, \frac{1}{+I;+ H;+ R}$
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 the coordinate valency
Arrange the following orbitals in decreasing order of energy ?
→$(A)$ $n =3,1=0, m =0$
$(B)$ $n =4, l =0, m =0$
$(C)$ $n =3, l =1, m =0$
$(D)$ $n =3, l =2, m =1$
The correct option for the order is :
An ionic compound $A^+ B^-$ is most likely to be formed when
→Which among the following pairs of the structures will give different products on ozonolysis? (Consider the double bonds in the structures are rigid and not delocalized.)
Which is incorrect for paper chromatography
In the following reaction:
→$HC \equiv CH\,\xrightarrow[{H{g^{2 + }}}]{{{H_2}S{O_4}}}\,'P'$
Product $'P'$ will not give
The basis of keeping the elements in the group of a periodic table is
According to Lewis and Kossel approach, which of the following molecule has complete octet of the central atom?
Pick out the isoelectronic structures from the following
→$\mathop {CH_3^ + }\limits_{\rm{I}} $ $\mathop {{H_3}{O^ + }}\limits_{{\rm{II}}} $ $\mathop {N{H_3}}\limits_{{\rm{III}}} $ $\mathop {CH_3^ - }\limits_{{\rm{IV}}} $
For the process $\mathrm{H}_2 \mathrm{O}(1)(1$ bar, $373 \mathrm{~K}) \rightarrow \mathrm{H}_2 \mathrm{O}(\mathrm{g})(1$ bar, $373 \mathrm{~K})$, the correct set of thermodynamic parameters is
→