Chemistry
General
Easy
Question
What is the product in following cross Claisen condensation?
The correct answer is:
Related Questions to study
Chemistry
Match the columns
Column-I Column-II
A) Coordinated water (p)
B) Interstitial water (q)
C) Hydrogen-bonded water (r)
(s)
Match the columns
Column-I Column-II
A) Coordinated water (p)
B) Interstitial water (q)
C) Hydrogen-bonded water (r)
(s)
ChemistryGeneral
Chemistry
Match the columns.
Column I Column II
Match the columns.
Column I Column II
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Chemistry
Match the columns.
Column I Column II
A) NaCl (P) Cationic hydrolysis
B) Na2CO3 (Q) Anionic hydrolysis
C) NH4Cl (R) pH = 7.0 at 25oC
D) CH3COONH4 (S) pH < 7.0 at 25oC
(T) pH > 7.0 at 25oC
Ka, CH3COOH = Kb, NH4OH
Match the columns.
Column I Column II
A) NaCl (P) Cationic hydrolysis
B) Na2CO3 (Q) Anionic hydrolysis
C) NH4Cl (R) pH = 7.0 at 25oC
D) CH3COONH4 (S) pH < 7.0 at 25oC
(T) pH > 7.0 at 25oC
Ka, CH3COOH = Kb, NH4OH
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Chemistry
Column I (pH value) Column II (Solution)
A) 5.0 (P) pH at which Mg(OH)2 just start precipitating from 2.0×10−3 M-Mg2+ solution (Ksp of Mg(OH)2 = 2 × 10−6 M3 ).
B) 9.0 (Q) Maximum pH at which 0.1 mole of Al(OH)3 dissolves completely as Al3+ in 1 L solution (Ksp of Al(OH)3 = 1 × 10−28 M4).
C) 12.5 (R) pH at which 0.1 M-CH3COOH dissociates 1000/11% (Ka of CH3COOH = 1.0×10−5M).
D) 6.0 (S) pH of 0.001 M-HA (weak acid) solution (pKa of HA = pKb of A−).
(T) pH of 3×10−5 M-CaA2 solution (CaA2 dissociates completely in water; Ka of HA = 5 × 10−9).
Column I (pH value) Column II (Solution)
A) 5.0 (P) pH at which Mg(OH)2 just start precipitating from 2.0×10−3 M-Mg2+ solution (Ksp of Mg(OH)2 = 2 × 10−6 M3 ).
B) 9.0 (Q) Maximum pH at which 0.1 mole of Al(OH)3 dissolves completely as Al3+ in 1 L solution (Ksp of Al(OH)3 = 1 × 10−28 M4).
C) 12.5 (R) pH at which 0.1 M-CH3COOH dissociates 1000/11% (Ka of CH3COOH = 1.0×10−5M).
D) 6.0 (S) pH of 0.001 M-HA (weak acid) solution (pKa of HA = pKb of A−).
(T) pH of 3×10−5 M-CaA2 solution (CaA2 dissociates completely in water; Ka of HA = 5 × 10−9).
ChemistryGeneral
Chemistry
A ketone reacted with 
reagent followed by hydrolysis gave a product which on dehydration gives an alkene. The alkene on ozonolysis gave diethyl ketone and acetaldehyde. The ketone is:
A ketone reacted with reagent followed by hydrolysis gave a product which on dehydration gives an alkene. The alkene on ozonolysis gave diethyl ketone and acetaldehyde. The ketone is:
ChemistryGeneral
Chemistry
Consider the reaction:
What sort of reaction is it?
Consider the reaction:
What sort of reaction is it?
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Chemistry
In the above reactions ‘A’ and ‘B’ respectively are
In the above reactions ‘A’ and ‘B’ respectively are
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Chemistry
Amides may be converted into amines by reaction named after:
Amides may be converted into amines by reaction named after:
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Chemistry
Carboxylic acids dissolve in NaOH because the acids undergo:
Carboxylic acids dissolve in NaOH because the acids undergo:
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Chemistry
0.20 g of a hydrocarbon on combustion gave 0.66 g CO2 .The percentage of hydrogen in the hydrocarbon is about :
0.20 g of a hydrocarbon on combustion gave 0.66 g CO2 .The percentage of hydrogen in the hydrocarbon is about :
ChemistryGeneral
Chemistry
ChemistryGeneral
Chemistry
Match the columns.
|
Column I |
Column II |
|||
| A) |
 |
P) |
Unaffected by inert gas addition |
|
| B) |
 |
Q) |
Forward shift by rise in pressure and backward shift by inert gas addition. |
|
| C) |
 |
R) |
Unaffected by increase in pressure. |
|
| D) |
 |
S) |
Backward shift by rise in pressure and forward shift by inert gas addition. |
|
Match the columns.
|
Column I |
Column II |
|||
| A) |
|
P) |
Unaffected by inert gas addition |
|
| B) |
|
Q) |
Forward shift by rise in pressure and backward shift by inert gas addition. |
|
| C) |
|
R) |
Unaffected by increase in pressure. |
|
| D) |
|
S) |
Backward shift by rise in pressure and forward shift by inert gas addition. |
|
ChemistryGeneral
Chemistry
In Gattermann Koch reaction
the product formed is
In Gattermann Koch reactionthe product formed is
ChemistryGeneral
Chemistry
Which one of the following has no stereogenic center?
Which one of the following has no stereogenic center?
ChemistryGeneral
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