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

Addition of HCN on aldehydes and ketones is abase catalyzed reaction?

  • Ans 1: Hydrogen cyanide adds to aldehydes and ketones to form cyanohydrines. The reaction is carried out by adding slowly a mineral acid to an aqueous solution of sodium cyanide,The acid generates HCN from sodium cyanide in SItu.
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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

Addition of HCN on aldehydes and ketones is abase catalyzed reaction?

  • Ans 1: Hydrogen cyanide adds to aldehydes and ketones to form cyanohydrines. The reaction is carried out by adding slowly a mineral acid to an aqueous solution of sodium cyanide,The acid generates HCN from sodium cyanide in SItu.
Submit

12th Class Chemistry Chapter 12 Short Questions Preparation - Set 2

Question # 1

Addition of HCN on aldehydes and ketones is abase catalyzed reaction?

  • Ans 1: Hydrogen cyanide adds to aldehydes and ketones to form cyanohydrines. The reaction is carried out by adding slowly a mineral acid to an aqueous solution of sodium cyanide,The acid generates HCN from sodium cyanide in SItu.
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12th Class Chemistry Chapter 12 Short Questions Preparation - Set 3

Question # 1

Define Aldol condensation.

  • Ans 1: Aldehydes and ketons possessing a-hydrogen atoms reacts with cold dilute solution of an alkali to form addition products known as aldols,The name aldols is given to the products because it contain both aldehyde and alcohol functional groups,In this process two molecules of the same carbonyl compound condense to form an aldol.
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12th Class Chemistry Chapter 12 Preparation

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