MCQ
Which of the following is most active halogen
- A$C{l_2}$
- B$B{r_2}$
- C${I_2}$
- ✓${F_2}$
✓
Answer
Correct option: D.
${F_2}$
d
Order of reactivity o Halogens :
Order of reactivity o Halogens :
$I _2\,<\, Br _2\,<\, Cl _2\,<\, F _2$
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
Which statement about the composition of vapour over an ideal $1 : 1$ molar mixture of benzene and toluene is correct ? Assume the temperature is constant at $25\,^oC$. Vapour pressure data $(25\,^oC)$
Benzene $75\, mm\, Hg$
Toluene $22\, mm\, Hg$
→Benzene $75\, mm\, Hg$
Toluene $22\, mm\, Hg$
The disproportionation of $MnO _{4}^{2-}$ in acidic medium resulted in the formation of two manganese compounds $A$ and $B$. If the oxidation state of $Mn$ in $B$ is smaller than that of $A$, then the spin-only magnetic moment $(\mu)$ value of $B$ in $BM$ is $.........$ (Nearest integer)
→Which part of the protein molecule is responsible for function and activity of the proteins
In the reaction, $P+Q \longrightarrow R+S$
→the time taken for $75 \%$ reaction of $P$ is twice the time taken for $50 \%$ reaction of $P$. The concentration of $Q$ varies with reaction time as shown in the figure. The overall order of the reaction is
Yellow color of chlorine water fades because of :
Match $List-I$ with $List-II$
→| $List-I$ | $List-II$ |
| $(A)$Glucose $+ HI$ | $(I)$ Gluconic acid |
| $(B)$Glucose $+ Br _{2}$ water | $(II)$ Glucose pentacetate |
| $(C)$Glucose $+$ acetic anhydride | $(III)$ Saccharic acid |
| $(D)$Glucose $+ HNO _{3}$ | $(IV)$ Hexane |
Choose the correct answer from the options given below.
The major product formed in the following reaction is
Which of the following statements is not correct ?
$\begin{array}{*{20}{c}}
{C{H_3} - C - H} \\
{\,\,\,\,\,||} \\
{\,\,\,\,\,O}
\end{array} \xrightarrow[{\mathop O\limits^\Theta H}]{{HCN}}(A)\xrightarrow[{Hydrolysis}]{{Partial}}(B)$
→{C{H_3} - C - H} \\
{\,\,\,\,\,||} \\
{\,\,\,\,\,O}
\end{array} \xrightarrow[{\mathop O\limits^\Theta H}]{{HCN}}(A)\xrightarrow[{Hydrolysis}]{{Partial}}(B)$
Product $'B'$ is
$P_4O_{10}$ reacts with $HNO_3$ to give
→