MCQ
In the given reactions sequence, the major product $'C'$ is ..... .
  • A


  • C

  • D

Answer

Correct option: B.

b
$C _{8} H _{10} DU =9-5=4$

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Choose the correct answer from the options given below:

The step shown below is a recent synthesis of corannulene.

Product $(A)$ is

The equation

$k =\left(6.5 \times 10^{12} \,s ^{-1}\right) e ^{-26000 K / T }$

is followed for the decomposition of compound $A$. The activation energy for the reaction is $.....\,kJ$ $mol ^{-1}$. [nearest integer]

(Given: $R =8.314 \,J\, K ^{-1}\, mol ^{-1}$ )

As per $IUPAC$ rules, which one of the following groups, will be regarded as the principal functional group ?
Oxygen molecule is paramagnetic because
Arrange in decreasing acidic strength

$A.\,\,F -CH_2\,\,CH_2\,\,COOH$

$\begin{array}{*{20}{c}}
  {B.\,\,Cl - CH - C{H_2} - COOH} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {\,\,Cl\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} 
\end{array}$

$C.\,\,F -CH_2 -COOH$

$D.\,\,Br -CH_2-CH_2 -COOH$

Correct answer is