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Q. No.
Given below are two statements:
Statement I: Benzenediazonium salt is prepared by the reaction of aniline with nitrous acid at \(273-278~ \text{K}.\) It decomposes easily in the dry state
Statement II: Insertion of iodine into the benzene ring is difficult and hence iodobenzene is prepared through the reaction of benzenediazonium salt with \(KI.\)

In the light of the above statements, choose the most appropriate answer from the options given below:  
1. Statement I is correct; Statement II is incorrect
2. Statement I is incorrect; Statement II is correct
3. Both Statement I and Statement II are correct
4. Both Statement I and Statement II are incorrect
Subtopic:  Diazonium Salts: Preparation, Properties & Uses |
 62%
From NCERT
NEET - 2025
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Given below are two statements:
Statement I: Benzendiazonium chloride is a colourless crystalline solid. It is insoluble in water but reacts with water when warmed.
Statement II: Benzendiazonium chloride on reacting with HCI in presence of copper powder gives chlorobenzene as the product. This is an example of Gatterman reaction.
In the light of the above statements, choose the correct answer from the option given below:
 
1. Both Statement I and Statement II is true.
2. Both Statement I and Statement II is false.
3. Statement I is true but Statement II is false.
4. Statement I is false but Statement II is true.
Subtopic:  Diazonium Salts: Preparation, Properties & Uses |
From NCERT
NEET - 2024
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NEET 2026 - Target Batch - Vital
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Identify the product in the following reaction: 

1. 2.
3. 4.
Subtopic:  Diazonium Salts: Preparation, Properties & Uses |
 57%
From NCERT
NEET - 2023
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NEET 2026 - Target Batch - Vital
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Which of the following is the correct sequence of reagents for converting 4-nitrotoluene to 2-bromotoluene?

1. NaNO2/HCl; Sn/HCl; Br2; H2O/H3PO2
2. Sn/HCl; NaNO2/HCl; Br2; H2O/H3PO2
3. Br2; Sn/HCl; NaNO2/HCl; H2O/H3PO2
4. Sn/HCl; Br2; NaNO2/HCl; H2O/H3PO2
Subtopic:  Diazonium Salts: Preparation, Properties & Uses |
From NCERT
NEET - 2023
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NEET 2026 - Target Batch - Vital
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Given below are two statements:
Statement I: Primary aliphatic amines react with HNO2 to give unstable diazonium salts.
Statement II Primary aromatic amines react with HNO2 to form diazonium salts which are stable even above 300 K.
In the light of the above statements, choose the most appropriate answer from the options given below:
1. Statement I is incorrect but Statement II is correct
2. Both Statement I and II are correct
3. Both Statement I and II are incorrect
4. Statement I is correct but Statement II is incorrect
Subtopic:  Diazonium Salts: Preparation, Properties & Uses |
 52%
From NCERT
NEET - 2022
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The product formed from the following reaction sequence is
1. 2.
3. 4.
Subtopic:  Diazonium Salts: Preparation, Properties & Uses | Mechanism |
 75%
From NCERT
NEET - 2022
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The reagent 'R' in the given sequence of a chemical reaction is : 

1. HI 2. CuCN/KCN
3. H2O 4. CH3CH2OH
Subtopic:  Diazonium Salts: Preparation, Properties & Uses |
 57%
From NCERT
NEET - 2021
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The product (A) in the below-mentioned reaction is:

1. 
2.
3.
4.
 

Subtopic:  Diazonium Salts: Preparation, Properties & Uses |
 85%
From NCERT
AIPMT - 2014
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The most stable diazonium salt among the following is: 

1. \(CH_{3}N_{2}^{+}X^{-}\)

2. \(C_{6}H_{5}N_{2}^{+}X^{-}\)

3. \(CH_{3}CH_{2}N_{2}^{+}X^{-}\)

4. \(C_{6}H_{5}CH_{2}N_{2}^{+}X^{-}\)

Subtopic:  Diazonium Salts: Preparation, Properties & Uses |
 79%
From NCERT
AIPMT - 2014
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"A" in the below reaction is:


1. Cu2Cl2
2. H3PO2 and H2O
3. H+ / H2O
4. HgSO4 / H2SO4
Subtopic:  Diazonium Salts: Preparation, Properties & Uses |
 77%
From NCERT
AIPMT - 2013
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