Chemistry-
General
Easy
Question
The number of possible enantiomeric pairs that can be produced during monochlorination of 2-methylbutane is
- 2
- 3
- 4
- 1
The correct answer is: 2
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An organic molecule necessarily shows optical activity if it
An organic molecule necessarily shows optical activity if it
Chemistry-General
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Which of the following will have least hindered rotation about carbon-carbon bond?
Which of the following will have least hindered rotation about carbon-carbon bond?
Chemistry-General
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Which of the following compounds does not show Lassaigne’s test for nitrogen ?
Which of the following compounds does not show Lassaigne’s test for nitrogen ?
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Kjeldahl’s method is used in the estimation of
Kjeldahl’s method is used in the estimation of
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The IUPAC name of the compound,
is
The IUPAC name of the compound,
is
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Chemistry-
The IUPAC name of 
is
The IUPAC name of is
Chemistry-General
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Catalyst used in Kjeldahl's method for the estimation of nitrogen is:
Catalyst used in Kjeldahl's method for the estimation of nitrogen is:
Chemistry-General
Chemistry-
In the estimation of carbon and hydrogen, if the substance also contains nitrogen, then near the exit, it is placed:
In the estimation of carbon and hydrogen, if the substance also contains nitrogen, then near the exit, it is placed:
Chemistry-General
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The Sodium extract Of an organic compound on boiling with
and addition of ammonium molybdate solution gives a yellow precipitate. The compound contains:
The Sodium extract Of an organic compound on boiling withand addition of ammonium molybdate solution gives a yellow precipitate. The compound contains:
Chemistry-General
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Which of the following sodium compound/compounds are formed "when an organic compound containing both nitrogen and sulphur is fused with sodium?
Which of the following sodium compound/compounds are formed "when an organic compound containing both nitrogen and sulphur is fused with sodium?
Chemistry-General
Chemistry-
The hydrogen bond is an electrostatic attractive force between covalently bonded hydrogen atom of one molecule and an electronegative atom like (F, 0, N) of other molecule. Hydrogen bond is nearly an electrostatic attractive force and not a normal chemical bond. It is very weak (2-10kcal/mol) as compared to a covalent bond (strength 50-100kcal/mol). In intramolecular hydrogen bonding, the two or more than two molecules of the same or different substances are linked to form polymeric aggregate. Intermolecular hydrogen bonding increases the boiling point of the compound and also its solubility in water. Intramolecular hydrogen bonding occurs within two atoms of the same molecule. Intramolecular hydrogen bonding is also called chelation, since it. involves· . ring formation. Intramolecular hydrogen bonding decreases the boiling point of the compound and also its solubility in water. Which of the following compounds is (are) stablised by intramolecular hydrogen bonding?
The hydrogen bond is an electrostatic attractive force between covalently bonded hydrogen atom of one molecule and an electronegative atom like (F, 0, N) of other molecule. Hydrogen bond is nearly an electrostatic attractive force and not a normal chemical bond. It is very weak (2-10kcal/mol) as compared to a covalent bond (strength 50-100kcal/mol). In intramolecular hydrogen bonding, the two or more than two molecules of the same or different substances are linked to form polymeric aggregate. Intermolecular hydrogen bonding increases the boiling point of the compound and also its solubility in water. Intramolecular hydrogen bonding occurs within two atoms of the same molecule. Intramolecular hydrogen bonding is also called chelation, since it. involves· . ring formation. Intramolecular hydrogen bonding decreases the boiling point of the compound and also its solubility in water. Which of the following compounds is (are) stablised by intramolecular hydrogen bonding?
Chemistry-General
Chemistry-
The correct decreasing order of stability of I, II and III carbocations is
I) 
II) 
III) 
The correct decreasing order of stability of I, II and III carbocations is
I)
II)
III)
Chemistry-General
Chemistry-
Two molecules indicated below are capable to intramolecular H-bonding. Which is likely to form more stable hydrogen bonds?
I) 
II) 
Two molecules indicated below are capable to intramolecular H-bonding. Which is likely to form more stable hydrogen bonds?
I)
II)
Chemistry-General
Chemistry-
(A) Acetone (b.pt. 329K) and methyl alcohol (b.pt. 338 K) are separated by fractional distillation.
(R) Fractional distillation helps in -separating two liquids from their mixture when their boiling points differ by 10
C
(A) Acetone (b.pt. 329K) and methyl alcohol (b.pt. 338 K) are separated by fractional distillation.
(R) Fractional distillation helps in -separating two liquids from their mixture when their boiling points differ by 10C
Chemistry-General
Chemistry-
The compound formed in the positive test fornitrogen with the Lassaigne solution of an organic compound is
The compound formed in the positive test fornitrogen with the Lassaigne solution of an organic compound is
Chemistry-General
