Question
Discuss the different chemical properties of amines.
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Describe the preparation of potassium permanganate from pyrolusite ore. Write balanced chemical equation for one reaction to show the oxidizing nature of potassium permanganate.
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I. Show how p-aminoazobenzene can be obtained from aniline.
II. Write structures for the following compounds:
a. Benzene diazonium chloride
b. p-Nitrotoluene
c. Sulphanilic acid
II. Write structures for the following compounds:
a. Benzene diazonium chloride
b. p-Nitrotoluene
c. Sulphanilic acid
Primary alkyl halide C4H9Br (a) reacted with alcoholic KOH to give compound (b). Compound (b) is reacted with HBr to give (c) which is an isomer of (a). When (a) is reacted with sodium metal it gives compound (d), C8H18 which is different from the compound formed when n-butyl bromide is reacted with sodium. Give the structural formula of (a) and write the equations for all the reactions.
- Give reasons for the following:
- Mn3+ is a good oxidizing agent.
- Eo m2+/M values are not regular for first row transition metals. (3d series)
- Although ‘F’ is more electronegative then ‘O’, the highest Mn fluoride is Mnf4, whereas the highest oxide is Mn2O7.
- Complete the following equations:
$\text{2CrO}_{4}^{2}+\text{2H}^{+}\rightarrow$
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Attempt any five of the following:
(a) Define native state in reference to proteins.
(b) Define the following terms:
a. Polysaccharides
b. Nucleotides
(c) Deficiency of which vitamin causes scurvy?
(d) What happens when D-glucose is treated with the following? Give equations to support your answer.
a. HI
b. HNO3
(e) Name the disaccharide which on hydrolysis gives glucose and galactose.
(f) Write the products obtained after hydrolysis of lactose.
(g) Give the reaction of glucose with hydrogen cyanide. Presence of which group is confirmed by this reaction?
(a) Define native state in reference to proteins.
(b) Define the following terms:
a. Polysaccharides
b. Nucleotides
(c) Deficiency of which vitamin causes scurvy?
(d) What happens when D-glucose is treated with the following? Give equations to support your answer.
a. HI
b. HNO3
(e) Name the disaccharide which on hydrolysis gives glucose and galactose.
(f) Write the products obtained after hydrolysis of lactose.
(g) Give the reaction of glucose with hydrogen cyanide. Presence of which group is confirmed by this reaction?
How are carboxylic acids prepared from the following compounds? Explain with examples:
(a) Primary alcohol
(b) Acyl halide
(c) Acid anhydride
(d) Grignard reagent
(e) Alkyl benzene.
(a) Primary alcohol
(b) Acyl halide
(c) Acid anhydride
(d) Grignard reagent
(e) Alkyl benzene.
Draw the structure of $[Co(NH_{3})_{6}]^{3+}$ and $[Ni(CO)_{4}]$. Write the hybridisation of atomic orbital of transition metal in each case.
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Describe the common name system and IUPAC system of naming amines.