Which one of the following compounds has the most acidic nature?

1.

2.

3.

4.

Subtopic: Phenols: Preparation & Properties |

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AIPMT - 2010

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Q39:

In the following reactions,

The major products A. and C. are respectively

1.

2.

3.

4.

Subtopic: Mechanism of Dehydration, Methanol & Ethanol |

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AIPMT - 2011

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Q40:

Among the following ethers, which one will produce methyl alcohol on treatment with hot concentrated Hl ?

1.

{CH}_{3} - {CH}_{2} - \underset{{CH}_{3}}{\underset{|}{CH}} - O - {CH}_{3}

2.

{CH}_{3} - {C_{|}^{|}}_{{CH}_{3}}^{{CH}_{3}} - O - {CH}_{3}

3.

{CH}_{3} - \underset{{CH}_{3}}{\underset{|}{CH}} - {CH}_{2} - O - {CH}_{3}

4. CH₃ – CH₂ – CH₂ – CH₂ – O – CH₃

Subtopic: Ethers: Preparation & Properties, Uses |

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AIPMT - 2013

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Q41:

Which of the following will not be soluble in sodium hydrogen carbonate ?

1. 2, 4, 6-trinitrophenol

2. Benzoic acid

3. o-Nitrophenol

4. Benezenesulphonic acid

Subtopic: Phenols: Preparation & Properties |

60%

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AIPMT - 2014

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Q42:

The given below reaction is known as:

1. Williamson's synthesis
2. Williamson's continuous etherification process
3. Etard reaction
4. Gatterman-Koch reaction

Subtopic: Ethers: Preparation & Properties, Uses |

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NEET - 2015

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Q43:

Which of the following is not the product of dehydration of

?

1.

2.

3.

4.

Subtopic: Alcohols: Preparation & Properties |

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NEET - 2015

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Q44:

Which of the following reaction(s) can be used for the preparation of alkyl halides?
I. ${CH}_{3} {CH}_{2} OH + HCl \overset{anh . {ZnCl}_{2}}{\to}$
II. ${CH}_{3} {CH}_{2} OH + HCl \to$
III. ${({CH}_{3})}_{3} C O H + H C l \to$
IV. ${({CH}_{3})}_{2} C H O H + H C l \overset{a n h . Z n C l_{2}}{\to}$

1. I, III, and IV

2. I and II

3. Only IV

4. III and IV

Subtopic: Mechanism of Dehydration, Methanol & Ethanol |

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NEET - 2015

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Q45:

Which of the following reagents would distinguish cis-cyclopenta-1, 2-diol from the trans-isomer?

1. ozone
2. MnO₂
3. Aluminium isopropoxide
4. Acetone

Subtopic: Alcohols: Preparation & Properties |

NEET - 2016

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Q46:

The given reaction can be classified as:

1. Alcohol formation reaction
2. Dehydration reaction
3. Williamson alcohol synthesis reaction
4. Williamson ether synthesis reaction

Subtopic: Ethers: Preparation & Properties, Uses |

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NEET - 2016

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Q47:

In the reaction

the electrophile involved is

1. Dichloromethyl cation $(\overset{\oplus}{C} {HCl}_{2})$

2. Formyl cation $(\overset{\oplus}{C} HO)$

3. Dichloromethyl anion $(\overset{\oplus}{C} {HCl}_{2})$

4. Dichlorocarbene (:CCl₂)

Subtopic: Phenols: Preparation & Properties |

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NEET - 2018

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Which one of the following compounds has the most acidic nature?

1.

2.

3.

4.

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Which one of the following compounds has the most acidic nature?

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4.