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My Question Performance Summary in Full Tests !
Questions Available: 20
Questions Attempted: 10
Number of Attempts: 15
Correct Attempts: 8
Total Time Spent: 00:30
Avg Time Per Question: 00:02
My Question Performance Summary in Full Tests
Total number of possible isomers (both structural as well as stereoisomers) of cyclic ethers of molecular formula C4H8O is
(1). 11
(2). 6
(3). 8
(4). 10
(1). 11
(2). 6
(3). 8
(4). 10
Number of Attempts: 2
Correct Attempts: 1
Time Taken: 00:04
Average Time: 00:02
The most suitable method of separation of 1 : 1 mixture of ortho and para-nitrophenols is
(1). steam distillation
(2). sublimation
(3). chromatography
(4). crystallization
(1). steam distillation
(2). sublimation
(3). chromatography
(4). crystallization
Number of Attempts: 2
Correct Attempts: 1
Time Taken: 00:04
Average Time: 00:02
Which of the following alcohols reacts instantaneously with Lucas reagent?
(1).
(2).
(3).
(4).
(1).
(2).
(3).
(4).
Number of Attempts: 2
Correct Attempts: 1
Time Taken: 00:04
Average Time: 00:02
Major products A and B formed in the following reaction sequence , are
(1).
(2).
(3).
(4).
(1).
(2).
(3).
(4).
Number of Attempts: 2
Correct Attempts: 1
Time Taken: 00:04
Average Time: 00:02
The products A and B obtained in the following reactions, respectively, are
\(3\text{ROH}\,+\,\text{PCl}_3\,\rightarrow\,3\text{RCl}\,+\,A\)
\(\text{ROH}\,+\,\text{PCl}_5\,\rightarrow\,\text{RCl}\,+\,\text{RCl}\,+\,B\)
(1). \(\text{H}_3\text{PO}_4\) and \(\text{POCl}_3\)
(2). \(\text{H}_3\text{PO}_3\) and \(\text{POCl}_3\)
(3). \(\text{POCl}_3\) and \(\text{H}_3\text{PO}_3\)
(4). \(\text{POCl}_3\) and \(\text{H}_3\text{PO}_4\)
\(3\text{ROH}\,+\,\text{PCl}_3\,\rightarrow\,3\text{RCl}\,+\,A\)
\(\text{ROH}\,+\,\text{PCl}_5\,\rightarrow\,\text{RCl}\,+\,\text{RCl}\,+\,B\)
(1). \(\text{H}_3\text{PO}_4\) and \(\text{POCl}_3\)
(2). \(\text{H}_3\text{PO}_3\) and \(\text{POCl}_3\)
(3). \(\text{POCl}_3\) and \(\text{H}_3\text{PO}_3\)
(4). \(\text{POCl}_3\) and \(\text{H}_3\text{PO}_4\)
Number of Attempts: 2
Correct Attempts: 1
Time Taken: 00:04
Average Time: 00:02
Consider the following reaction and identify the
product (P).
(1).
(2).
(3).
(4).
(1).
(2).
(3).
(4).
Number of Attempts: 2
Correct Attempts: 1
Time Taken: 00:04
Average Time: 00:02
Consider the following reaction
Identify products A and B:-
(1).
(2).
(3).
(4).
Identify products A and B:-(1).
(2).
(3).
(4).
Number of Attempts: 2
Correct Attempts: 1
Time Taken: 00:04
Average Time: 00:02
Which amongst the following will be most readily
dehydrated under acidic conditions?
(1).
(2).
(3).
(4).
(1).
(2).
(3).
(4).
Number of Attempts: 2
Correct Attempts: 1
Time Taken: 00:04
Average Time: 00:02
Given below are two statements:
Statement I: The acidic strength of monosubstituted nitrophenol is higher than phenol because of electron withdrawing nitro group.
Statement II : O-nitrophenol, m-nitrophenol and P-nitrophenol will have same acidic strength as they have one nitro group attached to the phenolic ring.
In the light of the above statements, choose themost appropriate answer from the options givenbelow:
(1). Both Statement I and Statement II are correct.
(2). Both Statement I and Statement II areincorrect.
(3). Statement I is correct but Statement II isincorrect.
(4). Statement I is incorrect but Statement II iscorrect.
Statement I: The acidic strength of monosubstituted nitrophenol is higher than phenol because of electron withdrawing nitro group.
Statement II : O-nitrophenol, m-nitrophenol and P-nitrophenol will have same acidic strength as they have one nitro group attached to the phenolic ring.
In the light of the above statements, choose themost appropriate answer from the options givenbelow:
(1). Both Statement I and Statement II are correct.
(2). Both Statement I and Statement II areincorrect.
(3). Statement I is correct but Statement II isincorrect.
(4). Statement I is incorrect but Statement II iscorrect.
Number of Attempts: 2
Correct Attempts: 1
Time Taken: 00:04
Average Time: 00:02
Given below are two statements:
Statement I : In Lucas test, primary, secondaryand tertiary alcohols are distinguished on the basisof their reactivity with conc. HCl + ZnCl2, known as Lucas Reagent.
Statement II : Primary alcohols are most reactive and immediately produce turbidity at roomtemperature on reaction with Lucas Reagent.
In the light of the above statements, choose the mostappropriate answer from the options given below:
(1). Both Statement I and Statement II are correct
(2). Both Statement I and Statement II are incorrect
(3). Statement I is correct but Statement II is incorrect
(4). Statement I is incorrect but Statement II is correct
Statement I : In Lucas test, primary, secondaryand tertiary alcohols are distinguished on the basisof their reactivity with conc. HCl + ZnCl2, known as Lucas Reagent.
Statement II : Primary alcohols are most reactive and immediately produce turbidity at roomtemperature on reaction with Lucas Reagent.
In the light of the above statements, choose the mostappropriate answer from the options given below:
(1). Both Statement I and Statement II are correct
(2). Both Statement I and Statement II are incorrect
(3). Statement I is correct but Statement II is incorrect
(4). Statement I is incorrect but Statement II is correct
Number of Attempts: 2
Correct Attempts: 1
Time Taken: 00:04
Average Time: 00:02
The product formed from the following reactionsequence is
(1).
(2).
(3).
(4).
(1).
(2).
(3).
(4).
Number of Attempts: 2
Correct Attempts: 1
Time Taken: 00:04
Average Time: 00:02
Anisole on cleavage with Hl gives:
(1).
(2).
(3).
(4).
(1).
(2).
(3).
(4).
Number of Attempts: 2
Correct Attempts: 1
Time Taken: 00:04
Average Time: 00:02
The structure of intermediate A in the following reaction is
(1).
(2).
(3).
(4).
(1).
(2).
(3).
(4).
Number of Attempts: 2
Correct Attempts: 1
Time Taken: 00:04
Average Time: 00:02
The compound A on treatment with Na gives B, and with PCl5 gives C. B and C react together to give diethyl ether. A, B and C are in the order
(1). C2H5OH, C2H5ONa, C2H5Cl
(2). C2H5Cl, C2H6, C2H5OH
(3). C2H5OH, C2H5Cl, C2H5ONa
(4). C2H5OH, C2H6 , C2H5Cl
(1). C2H5OH, C2H5ONa, C2H5Cl
(2). C2H5Cl, C2H6, C2H5OH
(3). C2H5OH, C2H5Cl, C2H5ONa
(4). C2H5OH, C2H6 , C2H5Cl
Number of Attempts: 2
Correct Attempts: 1
Time Taken: 00:04
Average Time: 00:02
Identify the major products P, Q and R in the following sequence of reactions
(1).
(2).
(3).
(4).
(1).
(2).
(3).
(4).
Number of Attempts: 2
Correct Attempts: 1
Time Taken: 00:04
Average Time: 00:02
The heating of phenyl-methyl ethers with HI produces
(1). benzene
(2). ethyl chlorides
(3). iodobenzene
(4). phenol
(1). benzene
(2). ethyl chlorides
(3). iodobenzene
(4). phenol
Number of Attempts: 2
Correct Attempts: 1
Time Taken: 00:04
Average Time: 00:02
Which one is the most acidic compound ?
(1).
(2).
(3).
(4).
(1).
(2).
(3).
(4).
Number of Attempts: 2
Correct Attempts: 1
Time Taken: 00:04
Average Time: 00:02
Mixture of chloroxylenol and terpineol acts as
(1). antibiotic.
(2). analgesic.
(3). antiseptic.
(4). antipyretic.
(1). antibiotic.
(2). analgesic.
(3). antiseptic.
(4). antipyretic.
Number of Attempts: 2
Correct Attempts: 1
Time Taken: 00:04
Average Time: 00:02
he reaction
can be classified as
(1). Alcohol formation reaction
(2). Dehydration reaction
(3). Williamson alcohol synthesis reaction
(4). Williamson ether synthesis reaction
can be classified as
(1). Alcohol formation reaction
(2). Dehydration reaction
(3). Williamson alcohol synthesis reaction
(4). Williamson ether synthesis reaction
Number of Attempts: 2
Correct Attempts: 1
Time Taken: 00:04
Average Time: 00:02
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
(1). Ozone
(2). MnO2
(3). Aluminium isopropoxide
(4). Acetone
Number of Attempts: 2
Correct Attempts: 1
Time Taken: 00:04
Average Time: 00:02