MCQ
In the following reaction, compound $Q$ is obtained from compound $P$ via an ionic intermediate What is the degree of unsaturation of $Q$ ?
  • A
    $10$
  • B
    $15$
  • $18$
  • D
    $25$

Answer

Correct option: C.
$18$
c

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Match the reactions in column $I$ with appropriate types of steps/reactive intermediate involved in these reactions as given in column $II$
A mixture of propene and methane is obtained by the cracking of
The neutral ligand is
Amylopectin is a polymer of
Consider the strong electrolytes $Z _{ m } X _{ n }, U _{ m } Y _{ p }$ and $V _{ m } X _{ n }$. Limiting molar conductivity $\left(\Lambda^0\right)$ of $U _{ m } Y _{ p }$ and $V _{ m } X _{ n }$ are $250$ and $440 S cm ^2 mol ^{-1}$, respectively. The value of $( m + n + p )$ is . . . . .Given:

$Ion$ $Z ^{ n +}$ $Z ^{ P +}$ $Z ^{ n +}$ $Z ^{ m +}$ $Z ^{ m +}$
$\lambda^0\left( S cm ^2 mol ^{-1}\right)$ $50.0$ $25.0$ $100.0$ $80.0$ $100.0$

$\lambda^0$ is the limiting molar conductivity of ions

The plot of molar conductivity $(4)$ of $Z _{ m } X _{ n } v s c ^{1 / 2}$ is given below.

Select the correct statements from the following:
A. Atoms of all elements are composed of three fundamental particles.
B. The mass of the electron is $9.10939 \times 10^{-27} Kg$.
C. All the isotopes of a given element show different chemical properties.
D. Protons and neutrons are collectively known as nucleons.
E. Dalton's atomic theory, regarded the atom as an ultimate particle of matter.
Choose the correct answer from the options given below:
A pink coloured salt turns blue on heating. The presence of which cation is most likely ?
The $pH$ value of $0.1\,\,M\,\,HCl$is approximately $1$ . What will be the approximate $pH$ value of $0.05$  $M\,\,{H_2}S{O_4}$
What current strength in amp. will be required to liberate $10\, g$ of chlorine from $NaCl$ solution in one hour ............. $\mathrm{amp}$
The electronic configuration of calcium ion $(C{a^{2 + }})$ is