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Recent questions tagged organic-chemistry
Questions
Arrange the following compounds in order of reactivity towards $SN^1$ displacement.\[\] 1) 2 –Bromo-2-methylbutane \[\] 2) 1–Bromopentane \[\] 3) 2–Bromopentane
jeemain
chemistry
organic-chemistry
halogens
easy
asked
Apr 9, 2014
by
thanvigandhi_1
1
answer
For the reaction : $R - Br \rightarrow R - O - N=O$ the suitable reagent is
jeemain
chemistry
organic-chemistry
halogens
easy
asked
Apr 9, 2014
by
thanvigandhi_1
1
answer
Alkyl halide reacts with an alcoholic solution of ammonia to give a mixture of :
jeemain
chemistry
organic-chemistry
halogens
easy
asked
Apr 9, 2014
by
thanvigandhi_1
1
answer
In $CH_3 − CH_2 − CH_2 − Br$, $C-Br$ bond is formed by the overlapping of
jeemain
chemistry
organic-chemistry
halogens
easy
asked
Apr 9, 2014
by
thanvigandhi_1
1
answer
In the chlorination of isobutane, which product will be formed in excess
jeemain
chemistry
organic-chemistry
halogens
easy
asked
Apr 9, 2014
by
thanvigandhi_1
1
answer
$CH_3Br\quad\underrightarrow{KCN}\quad A \quad\underrightarrow{+ 4H}\quad CH_3CH_2NH_2$ $ IUPAC$ name of $A$ is
jeemain
chemistry
organic-chemistry
halogens
easy
asked
Apr 9, 2014
by
thanvigandhi_1
1
answer
Reduction of alkyl halide with nascent hydrogen leads to the formation of
jeemain
chemistry
organic-chemistry
halogens
easy
asked
Apr 9, 2014
by
thanvigandhi_1
3
answers
Sec butyl chloride will undergo alkaline hydrolysis in the polar solvent by
jeemain
chemistry
organic-chemistry
halogens
easy
asked
Apr 9, 2014
by
thanvigandhi_1
1
answer
The following method can not be considered suitable for the lab preparation of alkyl halide:
jeemain
chemistry
organic-chemistry
halogens
easy
asked
Apr 9, 2014
by
thanvigandhi_1
1
answer
The hydrolysis product of lactose are
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
difficult
q101
asked
Mar 31, 2014
by
thanvigandhi_1
1
answer
Which one of the following does not exhibit the phenomenon of mutarotation?
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
difficult
q100
asked
Mar 31, 2014
by
thanvigandhi_1
1
answer
The total number of basic groups in the following form of lysine is
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
difficult
q99
asked
Mar 31, 2014
by
thanvigandhi_1
1
answer
Cellulose upon acetylation with excess acetic anhydride/ $H_2SO_4$ (catalytic) gives cellulose triacetate whose structure is
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
difficult
q98
asked
Mar 31, 2014
by
thanvigandhi_1
1
answer
The correct statement about the following disaccharide is
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
difficult
q97
asked
Mar 31, 2014
by
thanvigandhi_1
1
answer
Biuret test is not given by
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
difficult
q96
asked
Mar 31, 2014
by
thanvigandhi_1
1
answer
The 2 functional groups present in typical carbohydrate are
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
difficult
q95
asked
Mar 31, 2014
by
thanvigandhi_1
1
answer
Which of the following hormones contain iodine?
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
medium
q94
asked
Mar 31, 2014
by
thanvigandhi_1
1
answer
The segment of DNA which acts as the instrumental manual for the synthesis of protein is
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
difficult
q93
asked
Mar 31, 2014
by
thanvigandhi_1
1
answer
Which of the following vitamin is oil soluble?
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
difficult
q92
asked
Mar 31, 2014
by
thanvigandhi_1
1
answer
The number of disulphide linkages present in insulin are
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
difficult
q91
asked
Mar 31, 2014
by
thanvigandhi_1
1
answer
$ \alpha$-D (+)-glucose and $\beta$-D(+)-glucose are
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
difficult
q90
asked
Mar 31, 2014
by
thanvigandhi_1
1
answer
Which of the following is an amine hormone?
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
difficult
q89
asked
Mar 31, 2014
by
thanvigandhi_1
1
answer
In DNA, a complimentary bases are
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
difficult
q88
asked
Mar 31, 2014
by
thanvigandhi_1
1
answer
RNA and DNA are chiral molecules, their chirality is due to
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
difficult
q87
asked
Mar 30, 2014
by
thanvigandhi_1
1
answer
Which of the following vitamin is water soluble?
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
difficult
q86
asked
Mar 30, 2014
by
thanvigandhi_1
1
answer
The secondary structure of protein refers to
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
difficult
q85
asked
Mar 30, 2014
by
thanvigandhi_1
1
answer
All monosacchariddes ------Tollen’s reagent
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
difficult
q84
asked
Mar 30, 2014
by
thanvigandhi_1
1
answer
Methyl $ \alpha$-D glucoside and methyl $ \beta$-D glucoside are
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
difficult
q83
asked
Mar 30, 2014
by
thanvigandhi_1
1
answer
The pyrimidine bases present in DNA are
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
difficult
q82
asked
Mar 30, 2014
by
thanvigandhi_1
1
answer
During the process of digestion the proteins presenting the food material are hydrolysed to amino acids. The two enzymes involved in the process of Amino acids are respectively
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
difficult
q81
asked
Mar 30, 2014
by
thanvigandhi_1
1
answer
The chemical changes in DNA molecule that could lead to synthesis of protein with an altered amino acid sequence is called
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
medium
q80
asked
Mar 30, 2014
by
thanvigandhi_1
1
answer
The unique property of DNA to synthesis an exact copy of itself is called
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
medium
q79
asked
Mar 30, 2014
by
thanvigandhi_1
1
answer
Excess of which vitamin cannot be stored in the body?
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
medium
q78
asked
Mar 30, 2014
by
thanvigandhi_1
1
answer
Hypervitaminosis is due to
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
medium
q77
asked
Mar 30, 2014
by
thanvigandhi_1
1
answer
The human body cannot digest
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
medium
q76
asked
Mar 30, 2014
by
thanvigandhi_1
1
answer
The monosaccharide which is more sweater than sucrose is
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
medium
q75
asked
Mar 30, 2014
by
thanvigandhi_1
1
answer
The chemical name of Vitamin A Is
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
medium
q74
asked
Mar 30, 2014
by
thanvigandhi_1
1
answer
The correct statement about the following sugars X and Y is
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
medium
q73
asked
Mar 30, 2014
by
thanvigandhi_1
1
answer
Which one of the following statements are true for protein synthesis(Translation)?
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
medium
q72
asked
Mar 30, 2014
by
thanvigandhi_1
1
answer
In both DNA and RNA heterocyclic base and phosphate ester linkages are at
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
medium
q71
asked
Mar 30, 2014
by
thanvigandhi_1
1
answer
Which of the following biomolecules is insoluble in water?
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
medium
q70
asked
Mar 30, 2014
by
thanvigandhi_1
1
answer
The two farms of D-glycopyranose are called
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
medium
q69
asked
Mar 30, 2014
by
thanvigandhi_1
1
answer
The cell membranes are mainly composed of
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
medium
q68
asked
Mar 30, 2014
by
thanvigandhi_1
1
answer
Which functional group participate in disulphide bond formation in proteins
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
medium
q67
asked
Mar 30, 2014
by
thanvigandhi_1
1
answer
The pair of compounds in which both the compound shows positivities with Tollens reagent is
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
medium
q66
asked
Mar 30, 2014
by
thanvigandhi_1
1
answer
The nucleic acid base having two possible binding sites is
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
medium
q65
asked
Mar 29, 2014
by
thanvigandhi_1
1
answer
The enzyme which hydrolyses triglycerides to fatty acids and glycerol is called
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
medium
q64
asked
Mar 29, 2014
by
thanvigandhi_1
1
answer
Number of chiral carbons In $ \beta -D-(+)$ glucose is
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
medium
q63
asked
Mar 29, 2014
by
thanvigandhi_1
1
answer
Which of the following represents peptide linkage?
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
medium
q62
asked
Mar 29, 2014
by
thanvigandhi_1
1
answer
The correct statement in respect of protein haemoglobin that is
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
medium
q61
asked
Mar 29, 2014
by
thanvigandhi_1
1
answer
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