n-Propyl alcohol and isopropyl alcohol can be chemically distinguished by which reagent:
1.
2. Reduction
3. Oxidation with potassium dichromate
4. Ozonolysis
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Identify the major products P, Q and R in the following sequence of reactions:
1. | |
2. | |
3. | |
4. |
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How many alcohols with molecular formula C4H10O are chiral in nature?
1. 1
2. 2
3. 3
4. 4
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Which of the following species acts as the strongest base?
1. | \(^\ominus\text{OH}\) |
2. | \(^\ominus\text{OR}\) |
3. | \(^\ominus\text{OC}_6\text H_5\) |
4. |
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Which of the following compounds will react with sodium hydroxide solution in water?
1. C6H5OH
2. C6H5CH2OH
3. (CH3)3COH
4. C2H5OH
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Match the structures of the compounds given in Column I with the name of the compounds given in Column II.
Column I Column II
(a) quinol
(b) Phenetole
(c) Catechol
(d) o-Cresol
(e) Quinone
(f) Resorcinol
(g) Anisole
1. (i) — (d), (ii) — (c), (iii) — (f), (iv) — (a); (v) — (g), (vi) — (b)
2. (i) — (a), (ii) — (d), (iii) — (b), (iv) — (c); (v) — (f), (vi) — (e)
3. (i) — (b), (ii) — (e), (iii) — (a), (iv) — (d); (v) — (g), (vi) — (c)
4. (i) — (c), (ii) — (b), (iii) — (d), (iv) — (a); (v) — (g), (vi) — (e)
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Match the starting materials given in Column I with the products formed by these (Column II) in the reaction with HI.
|
Column I |
|
Column II |
(i) |
(a) |
||
(ii) |
|
(b) |
|
(iii) |
|
(c) |
+ |
(iv) |
(d) |
||
|
|
(e) |
|
|
|
(f) |
|
|
|
(g) |
|
1. (i) — (a), (ii) — (e), (iii) — (c), (iv) — (d)
2. (i) — (d), (ii) — (e), (iii) — (b), (iv) — (a)
3. (i) — (b), (ii) — (e), (iii) — (d), (iv) — (a)
4. (i) — (d), (ii) — (a), (iii) — (b), (iv) — (e)
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Match the items of column I with items of column II.
|
Column I |
|
Column II |
(i) |
Methanol |
(a) |
Conversion of phenol to o-hydroxysalicylic acid |
(ii) |
Kolbe’s reaction |
(b) |
Ethyl alcohol |
(iii) |
Williamson’s synthesis |
(c) |
Conversion of phenol to salicylaldehyde |
(iv) |
Conversion of 2° alcohol to ketone |
(d) |
Wood spirit |
(v) |
Reimer-Tiemann reaction |
(e) |
Heated copper at 573K |
(vi) |
Fermentation |
(f) |
Reaction of Alkyl halide with sodium alkoxide |
1. (i) —(f), (ii) — (a), (iii) — (d), (iv) — (e); (v) — (c), (vi) — (b)
2. (i) —(b), (ii) — (e), (iii) — (f), (iv) — (a); (v) — (c), (vi) — (d)
3. (i) —(a), (ii) — (d), (iii) — (f), (iv) — (e); (v) — (c), (vi) — (b)
4. (i) —(d), (ii) — (a), (iii) — (f), (iv) — (e); (v) — (c), (vi) — (b)
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Among the following sets of reactants which one produces anisole?
1. CH3CHO, RMgX
2. C6H5OH, NaOH, CH3I
3. C6H5OH, neutral FeCl3
4. C6H5-CH3, CH3COCl, AlCl3
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The product that forms when sodium phenoxide is heated with ethyl iodide is-
1. Phenetole
2. Ethyl phenyl alcohol
3. Phenol
4. None of the above
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