MCQ
Strongest conjugate base is
- A$C{l^ - }$
- B$B{r^ - }$
- ✓${F^ - }$
- D${I^ - }$
✓
Answer
Correct option: C.
${F^ - }$
(c) $ {F^ - }$ strongest conjugate base due to it smallest size in a group and gain proton due to most electronegative capacity.
${H^ + } + {F^ - } \to HF$
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
Number of electrophilic centre in the given compound is ...... .
Which one of the following is most stable ?
Electrophilic addition reactions proceed in two steps. The first step involves the addition of an electrophile. Name the type of intermediate formed in the first step of the following addition reaction.
$\text{H}_3\text{C}-\text{H}\text{C}=\text{CH}_2+\text{H}^+\rightarrow?$
→$\text{H}_3\text{C}-\text{H}\text{C}=\text{CH}_2+\text{H}^+\rightarrow?$
The angular moment of electron in d-orbital is equal to:
( Where $\not\text{h}=\frac{\text{h}}{2\pi}$)
→( Where $\not\text{h}=\frac{\text{h}}{2\pi}$)
Consider the electronic configuration for neutral atoms:
→$(i)$ $1s^22s^2p^63s^1$ $(ii)$ $1s^22s^22p^64s^1$
Which of the following statements is/are false ?
$(a)$ Energy is required to change $(i)$ to $(ii)$
$(b)$ $(i)$ represents $‘Na’$ atom
$(c)$ $(i)$ and $(ii)$ represent different elements
$(d)$ More energy is required to remove one electron from $(i)$ than $(ii)$
Find out the number of $1-2$-shifts during the conversion of
→${10^{ - 6}}\,M\,\,HCl$ is diluted to $100$ times. Its $pH$ is
→For $d$ electrons, the azimuthal quantum number is
→Evaluate the following statements related to group $14$ elements for their correctness.
→$(A)$Covalent radius decreases down the group from $\mathrm{C}$ to $\mathrm{Pb}$ in a regular manner.
$(B)$ Electronegativity decreases from $\mathrm{C}$ to $\mathrm{Pb}$ down the group gradually.
$(C)$ Maximum covalence of $\mathrm{C}$ is $4$ whereas other elements can expand their covalence due to presence of $d$ orbitals.
$(D)$ Heavier elements do not form $\mathrm{p} \pi-p \pi$ bonds.
$(E)$ Carbon can exhibit negative oxidation states.
Choose the correct answer from the options given below:
Maximum bond energy of $C - H$ bonds is found in the compound
→