MCQ
A compound $X$ formed a fter heating coke with lime react with water to give $Y$ which on passing over red hot iron at $873$ produces $Z$. The compound $Z$
- ✓
- B
- C
- D
✓
Answer
Correct option: A.
a
Since acetylene formed is $Y$,
Since acetylene formed is $Y$,
so $C _2 H _2 \underset{\text { redhot }}{\stackrel{ Fe }{\longrightarrow} \text { fig.1(output) }}$
The compound $Z$ is benzene.
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
Let $m_p$ be the mass of a proton, $m_n$ that of a neutron, $M_1$ that of a $_{10}^{20}Ne$ nucleus and $M_2$ that of a $_{20}^{40}Ca$ nucleus. Then
→Oxidation number of $P$ in $K{H_2}P{O_2}$ is
→Rank the group in order of decreasing leaving group ability
Among $NO_3^ - \,(I)\,;\,AsO_3^{3 - }\,(II)\,,\,CO_3^{2 - }\,(III)\,ClO_3^ - \,(IV)$ and $SO_3^{2 - }\,(V)$. The multiplanar species are
→Alumina is
Phenol $\xrightarrow[{{H^ + }}]{{CHC{l_3}/NaOH}}$Salicyldehyde The above reaction is known as
→The compound $X,$ in the reaction, is $ X\xrightarrow{{C{H_3}MgI}}Y\xrightarrow{{hydrolysis}}Mg(OH)I + C{H_3}COOH$
→The decreasing order of stability of following anions is
Consider the following complexes.
→$\left[\mathrm{CoCl}\left(\mathrm{NH}_3\right)_5\right]^{2+}, \quad\left[\mathrm{Co}(\mathrm{CN})_6\right]^{3-} \text {, }$
$(A)$ $(B)$
$\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_5\left(\mathrm{H}_2 \mathrm{O}\right)\right]^{3+}, \quad\left[\mathrm{Cu}\left(\mathrm{H}_2 \mathrm{O}\right)_4\right]^{2+}$
$(C)$ $(D)$
The correct order of $A$, $B$, $C$ and $D$ in terms of wavenumber of light absorbed is :
The catalytic activity of transition elements is related to their