12th Class Fsc Part 2 Short Questions Online Preparation for Chemistry chapter 11(Alcohols Phenols and Ethers)

Online Short Questions For Chapter 11 "12th Class Chemistry Chapter 11 Short Questions Preparation "

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Chemistry - 12th Class Chemistry Chapter 11 Short Questions Preparation

Question # 1

How does picric acid synthesis take place?

  • Ans 1: Picric acid is synthesized by the nitration of phenol,Phenol reacts with dil and conc.
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Prepare Complete Set Wise Questions For Chapter 11 "12th Class Chemistry Chapter 11 Short Questions Preparation "

12th Class Chemistry Chapter 11 Short Questions Preparation - Set 1

Question # 1

How does picric acid synthesis take place?

  • Ans 1: Picric acid is synthesized by the nitration of phenol,Phenol reacts with dil and conc.
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12th Class Chemistry Chapter 11 Short Questions Preparation - Set 2

Question # 1

Define the following terms
1. Phenol 2. Oxonium ions.

  • Ans 1: Aromatic compounds which contain one or more OH groups directly attached with carbons of benzene ring are called Phenol,The simplest example of phenol which is also known as Carbolic acid.
    Oxonium ion is any oxygen cations with three bonds,The simplest oxonium ion is hydronium ion H3O+.
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12th Class Chemistry Chapter 11 Short Questions Preparation - Set 3

Question # 1

Picric acid is phenol which behaves like an acid .Justify.

  • Ans 1: Picric acid is 2,4,6 trintophenol,It is actually phenol but has three nitro groups attached to the benzene ring of phenol,Nitro groups are electrons with drawing in nature,Nitro groups attracts electron to themselves and makes easy for phenolic part to donate easily,so picric acid can donate a proton and behave like an acid .
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12th Class Chemistry Chapter 11 Short Questions Preparation - Set 4

Question # 1

Why are lower alcohols more soluble in water than higher alcohols.

  • Ans 1: Lower alcohols more soluble in water than higher alcohols because solubility of alcohols is due to hydrogen bonding which is prominent in lower alcohols but diminishes in higher alcohols.
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12th Class Chemistry Chapter 11 Preparation

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