JEE Main PYQs on Aromatic Hydrocarbon: JEE Main Questions for Practice with Solutions

JEE Main Questions

• 1.

  Consider the given figure and choose the correct option: \includegraphics[width=1\linewidth]{322.png}

  • Activation energy of both forward and backward reaction is \( E_1 + E_2 \) and reactant is more stable than product.
    
  • Activation energy of backward reaction is \( E_1 \) and product is more stable than reactant.
    
  • Activation energy of forward reaction is \( E_1 + E_2 \) and product is less stable than reactant.
    
  • Activation energy of forward reaction is \( E_1 + E_2 \) and product is more stable than reactant.
    
  View Solution

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• 2.

  The elemental composition of a compound is 54.2%C, 9.2%H, and 36.6%O. If the molar mass of the compound is 132 g/mol, the molecular formula of the compound is:

  • \( \text{C}_6 \text{H}_{12} \text{O}_6 \)
    
  • \( \text{C}_6 \text{H}_{12} \text{O}_3 \)
    
  • \( \text{C}_4 \text{H}_9 \text{O}_3 \)
    
  • \( \text{C}_4 \text{H}_8 \text{O}_2 \)
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• 3.

  Statement-1: \( \text{ClF}_3 \) has 3 possible structures. 
  Statement-2: \( \text{III} \) is the most stable structure due to least lone pair-bond pair (lp-bp) repulsion. 

  

   Which of the following options is correct?

  • Statement-1 is correct and Statement-2 is incorrect.
    
  • Statement-1 is incorrect and Statement-2 is correct.
    
  • Both Statement-1 and Statement-2 are correct.
    
  • Both Statement-1 and Statement-2 are incorrect.
    
  View Solution

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• 4.

  Total number of nucleophiles from the following is: \(\text{NH}_3, PhSH, (H_3C_2S)_2, H_2C = CH_2, OH−, H_3O+, (CH_3)_2CO, NCH_3\)

  • 5
    
  • 6
    
  • 4
    
  • 7
    
  View Solution

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• 5.

  Consider the equilibrium: \[ \text{CO(g)} + \text{3H}_2\text{(g)} \rightleftharpoons \text{CH}_4\text{(g)} + \text{H}_2\text{O(g)} \] If the pressure applied over the system increases by two fold at constant temperature then:

  • (A) and (B) only
    
  • (A), (B) and (D) only
    
  • (B) and (C) only
    
  • (A), (B) and (C) only
    
  View Solution

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• 6.

  A compound 'X' absorbs 2 moles of hydrogen and 'X' upon oxidation with KMnO4 - H⁺ gives the following products:

  

  The total number of \(\sigma\) bonds present in the compound 'X' is ----.

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