One mole of alkene X on ozonolysis gave one mole of acetaldehyde and one mole of acetone. The IUPAC name of X is
2-methyl-2-butene
2-methyl-1-butene
2-butene
1-butene
In Gattermann reaction, a diazonium group is replaced by X using Y.X and Y are
X | Y |
Cu/HCl |
X | Y |
CuCl2/HCl |
X | Y |
CuCl2/HCl |
X | Y |
Cl2 | Cu2O/HCl |
What are X and Y in the following reaction sequence?
C2H5Cl, CH3CHO
CH3CHO, CH3CO2H
CH3CHO, CCl3CHO
C2H5Cl, CCl3CHO
What are A, B, C in the following reactions?
A | B | C |
C2H6 | CH3COCH3 | (CH3CO)2O |
A | B | C |
(CH3CO)2O | C2H6 | CH3COCH3 |
A | B | C |
CH3COCH3 | C2H6 | (CH3CO)2O |
A | B | C |
CH3COCH3 | (CH3CO)2O | C2H6 |
One per cent composition of an organic compound A is, carbon : 85. 71 % and hydrogen 14.29%. Its vapour density is 14. Consider the following reaction sequence
Identify C
How many tripeptides can be prepared by linking the amino acids glycine, alanine and phenyl alanine?
One
Three
Six
Twelve
A codon has a sequence of A, and specifies a particular B that is to be incorporated into a C. What are A, B, C
A | B | C |
3 bases | amino acid | carbohydrate |
A | B | C |
3 acids | carbohydrate | protein |
A | B | C |
3 base | protein | amino acid |
A | B | C |
3 bases | mino acid | protein |
D.
A | B | C |
3 bases | mino acid | protein |
A codon is a specific sequence of three adjacent bases on a strand of DNA or RNA that provides genetic code information for a particular amino acid.
Parkinson's disease is linked to abnormalities in the levels of dopamine in the body. The structure of dopamine is
Consider the following reaction,
Which one of the following statements is true for X ?
(I) It gives propionic acid on hydrolysis
(II) It has an ester functional group
(III) It has a nitrogen linked to ethyl carbon
(IV) It has a cyanide group
IV
III
II
I
The synthesis of crotonaldehyde from acetaldehyde is an example of........... reaction.
nucleophilic addition
elimination
electrophilic addition
nucleophilic addition-elimination