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Q. No.The compound that is used as antifreeze in automobile radiators is:
1.
Glycol
2.
Nitrophenol
3.
Ethyl alcohol
4.
Methyl alcohol
Subtopic: Alcohols: Preparation & Properties |
60%
From NCERT
AIPMT - 2012
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Subtopic: Mechanism of Dehydration, Methanol & Ethanol |
55%
From NCERT
AIPMT - 2010
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Among the following four compounds
| a. | Phenol | b. | methyl phenol |
| c. | meta-nitrophenol | d. | para-nitrophenol |
The acidity order is:
1. c > d > a > b
2. a > d > c > b
3. b > a > c > d
4. d > c > a > b
Subtopic: Phenols: Preparation & Properties |
85%
From NCERT
AIPMT - 2010
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When glycerol is treated with an excess of HI, it produces:
1. Allyl iodide
2. Propene
3. Glycerol triiodide
4. 2-Iodopropane
Subtopic: Alcohols: Preparation & Properties |
AIPMT - 2010
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Iodoform reaction is given by:
| (a) | CH3CH2OH | (b) | CH3COCH3 |
| (c) |  |
(d) | CH3OH |
| 1. | Only (b) | 2. | (a), (b) and (c) |
| 3. | (a) and (b) | 4. | (a), (c) and (d) |
Subtopic: Alcohols: Preparation & Properties |
64%
From NCERT
AIPMT - 2010
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Phenol is distilled with Zn dust followed by Fridel Crafts alkylation with propyl chloride in the presence of AlCl3 to give a compound (B). (B) is oxidized in the presence of air to form the compound (C). The structural formula of (C) is:
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Subtopic: Phenols: Preparation & Properties |
73%
From NCERT
NEET - 2013
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The number of isomeric alcohols (excluding stereoisomers) of molecular formula C6H14O which give a positive iodoform test are:
1. Three
2. Four
3. Five
4. Two
1. Three
2. Four
3. Five
4. Two
Subtopic: Alcohols: Preparation & Properties |
52%
From NCERT
NEET - 2013
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Ethylene oxide when treated with Grignard reagent yields:
1. secondary alcohol
2. tertiary alcohol
3. cyclopropyl alcohol
4. primary alcohol
Subtopic: Alcohols: Preparation & Properties | Ethers: Preparation & Properties, Uses |
AIPMT - 2006
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CH3 — O — CH(CH3)2 + HI → B (Product)
The product 'B' in the above mentioned reaction is-
1. CH3OH + (CH3)2CHl
2. lCH2OCH(CH3)2
3. CH3OC(CH3)2
4. CH3l + (CH3)2CHOH
Subtopic: Ethers: Preparation & Properties, Uses |
67%
From NCERT
AIPMT - 2006
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Subtopic: Alcohols: Preparation & Properties | Ethers: Preparation & Properties, Uses |
71%
From NCERT
AIPMT - 2007
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