KEAM Entrance 07.06.2024 Question paper and answer key

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Question paper and answer key of KEAM Kerala Engineering entrance held on 7th June 2024.

Sample questions from KEAM 2024 paper

1. For a smoothly running analog clock, the ratio of the angular velocity of the minute hand to the
angular velocity of hour hand is

• 2
  
• 12
  
• 24
  
• 60
  
• 360
  

Ans: 12

2. If the radii of two soap bubbles are respectively 2 cm and 3 cm, then the ratio of the excess pressures
inside the soap bubbles is

• 5:3
  
• 3:2
  
• 2:3
  
• 1:1
  
• 3:5
  

Ans:  3:2

3. The zeroth law of thermodynamics leads to the concept of

• carnot engine
  
• work
  
• temperature
  
• heat
  
• internal energy
  

Ans: temperature 

4. Which of the following statement is incorrect with Kolbe’s electrolytic method?

• It gives an alkane with even number of carbon atoms at the anode.
  
• At anode decarboxylation and formation of methyl radical occurs.
  
• Methane cannot be prepared by this method.
  
• At anode acetate ion accepts electrons to give acetate free radical.
  
• At cathode hydrogen gas is liberated.
  

Ans: At anode acetate ion accepts electrons to give acetate free radical. 

5. Which of the following substitution reaction with methane requires HIO3 as an oxidizing agent?

• Chlorination
  
• Bromination
  
• Iodination
  
• Fluorination
  
• Friel-Crafts acylation
  

Ans: Iodination 

6. The decreasing order of basic strength in aqueous solution of amines is

• Dimethylamine > Methylamine > Trimethylamine > Ammonia
  
• Methylamine > Dimethylamine > Trimethylamine > Ammonia
  
• Trimethylamine > Dimethylamine > Methylamine > Ammonia
  
• Ammonia > Trimethylamine > Dimethylamine > Methylamine
  
• Ammonia > Dimethylamine > Trimethylamine > Methylamine
  

Ans: Dimethylamine > Methylamine > Trimethylamine > Ammonia

Download the complete KEAM Question paper and answer key of exam held on 07.06.2024 (Question Paper Code: 7/2024/OL) from the links given below


  KEAM question paper and key 07062024.pdf (Size: 720.17 KB / Downloads: 23)