Fsc Part 2 Online Preparation for Chemistry Chapter 12 (Aldehydes and Ketones)

Online Short Questions For Chapter 12 "12th Class Chemistry Chapter 12 Short Questions Preparation "

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Chemistry - 12th Class Chemistry Chapter 12 Short Questions Preparation

Question # 1

Define nucleophilic addition reaction with an example?

  • Ans 1: Addition of nucleophillic reagent to the substrate in the presence of some catalyst is called nbucleophilic addition reaction.It is due to the unsymmetrical electronics configuration about the carbonyl group,the nucleophilic reagent can start the initial attack on the carbon.
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Prepare Complete Set Wise Questions For Chapter 12 "12th Class Chemistry Chapter 12 Short Questions Preparation "

12th Class Chemistry Chapter 12 Short Questions Preparation - Set 1

Question # 1

Define nucleophilic addition reaction with an example?

  • Ans 1: Addition of nucleophillic reagent to the substrate in the presence of some catalyst is called nbucleophilic addition reaction.It is due to the unsymmetrical electronics configuration about the carbonyl group,the nucleophilic reagent can start the initial attack on the carbon.
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12th Class Chemistry Chapter 12 Short Questions Preparation - Set 2

Question # 1

Which products are formed by the catalytic reduction of aldehydes?

  • Ans 1: Aldehyde and ketones on reduction with hydrogen in the presence of a metal catalyst like Pd,Pt or Ni form primary and secondary alcohols respectively.Hydrogen is added across the carbonyl group.
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12th Class Chemistry Chapter 12 Short Questions Preparation - Set 3

Question # 1

Write down some used of acetaldehyde?

  • Ans 1: It is used to make acetaldehyde ammonia used as rubber -accelerator,.It is used as antiseptic inhalant in nasal infections.It is used in silvering of mirrors.
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12th Class Chemistry Chapter 12 Preparation

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