MCQ
Ethyl bromide undergoes the following reaction:$\ce{\underset{Ethyl bromide}{C2H5Br} + \underset{(aq.)}{KOH} ->[\Delta] \underset{Ethyl alcohol}{C2H5OH} + KBr}$
Which of the following is a WRONG statement?
  • A
    There is inversion of configuration.
  • The nucleophile attacks the carbon undergoing substitution from the same side as that of the leaving group.
  • C
    $\text { Rate }= k \left[ C _2 H _5 Br \right]\left[ OH ^{-}\right] \text {. }$
  • D
    $\text { The reaction follows } S _{ N } 2 \text { mechanism. }$

Answer

Correct option: B.
The nucleophile attacks the carbon undergoing substitution from the same side as that of the leaving group.
B

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

In how many of the following, ∆S is positive?
i. Melting of ice
ii. Sublimation of iodine
iii. Dissolution of $\mathrm{CuSO}_4$ in water
iv. Condensation of water vapour
v. Dissociation of $\mathrm{H}_2$ molecule into atoms
vi. Conversion of carbon dioxide gas to dry ice
vii. Vaporization of acetone
The total number of electrons present in 20 mL of water is ____________.(Density $\left.=1 \mathrm{~g} \mathrm{~mL}^{-1}\right)$
If a curve y = f(x) passes through the point (1, - 1) and satisfies the differential equation, y (1 + xy) dx = x dy, then$f\left(-\frac{1}{2}\right)$ is equal to _____.
When a particle carrying a charge of $100 \mu C$ moves at an angle of $30^{\circ}$ to a uniform magnetic field of induction 6 x $10^{-5} Wb / m ^2$ with a speed of $2 \times 10^5 m / s$. The force acting on the particle is______
An office room contains about 4000 moles of air. The change in the internal energy of this much air when it is cooled from $34^o C$ to $19^o C$ at a constant pressure of 1.0 atm is $(Use `gamma_"air"` = 1.4$ and Universal gas constant = 8.314 J / mol K) ____________.
The maximum velocity of the photoelectron emitted by the metal surface is 'v '. Charge and mass of the photoelectron is denoted by 'e' and 'm' respectively. The stopping potential in volt is ______.
The physical space occupied by the organism is called its ____________ niche.
What is the product of the following reaction?

$\ce{H3C - C ≡ CH + H - OH ->[{40%}H2SO4][{1%}HgSO4] ?}$

A set of 25 tuning forks is arranged in order of decreasing frequencies. Each fork produces 3 beats with succeeding one. If the first fork is octave of last, then the frequency of 1st and 15th fork in Hz is ______.
A potentiometer wire of length 100 cm has a resistance of 10 `Omega.` It is connected in series with a resistance and an accumulator of e.m.f 2 V and of negligible internal resistance. A source of e.m.f 10 mV is balanced against a 40 cm length of the potentiometer wire. The value of the external resistance is ____________.