Consider the following reaction, $Ethanol \overset{{PBr}_{3}}{\to} X \overset{alc . KOH}{\to} Y \to_{(ii) H_{2} O, heat}^{(i) H_{2} {SO}_{4}, room temperature} Z;$
the product Z, is

1. $C H_{2} = C H_{2}$

2. $C H_{3} C H_{2} - O - C H_{2} - C H_{3}$

3. $C H_{3} - C H_{2} - O - S O_{3} H$

4. $C H_{3} C H_{2} O H$

Subtopic: Alcohols: Preparation & Properties |

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AIPMT - 2009

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Q36:

H₂COH.CH₂OH on heating with periodic acid gives

1. 2CO₂

2. 2 HCOOH

3.

4.

Subtopic: Alcohols: Preparation & Properties |

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Q37:

Consider the following reaction,
$Phenol \overset{Zn dust}{\to} X \to_{Anhy . {AlCl}_{3}}^{{CH}_{3} Cl} Y \overset{Alkaline {KMnO}_{4}}{\to} Z$
the product, Z, is

1. Toluene

2. Benzaldehyde

3. Benzoic acid

4. Benzene

Subtopic: Phenols: Preparation & Properties |

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Q38:

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 |

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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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Consider the following reaction, Ethanol→PBr3X→alc. KOHY→iiH2O, heatiH2SO4, room temperatureZ; the product Z, is 1. CH2=CH2 2. CH3CH2-O-CH2-CH3 3. CH3-CH2-O-SO3H 4. CH3CH2OH

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