Question
Explain the structure and classification of animes.

Answer

SELF

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Similar questions

i. Write the structure of main products when aniline reacts with the following reagents :
a. $Br _2$ water
b. HCl
c. $\left( CH _3 CO \right)_2 O /$ pyridine
ii. Arrange the following in the increasing order of their boiling point:$C _2 H _5 NH _2, C _2 H _5 OH ,\left( CH _3\right)_3 N$
iii. Give a simple chemical test to distinguish between the following pair of compounds : $\left( CH _3\right)_2 NH$ and $\left( CH _3\right)_3 N$.
Answer the following questions:

For M2+/M and M3+/M2+ systems, E° values for some metals are as follows:

Cr2+/Cr = - 0.9 V Cr3+/Cr2+ = - 0.4 V
Mn2+/Mn = 0 1.2 V Mn3+/Mn2+ = +1.5 V
Fe2+/Fe = - 0.4 V Fe3+/Fe2+ = +0.8 V

Use this data to comment upon:

  1. The stability of Fe3+ in acid solution as compared to that of Cr3+ and Mn3+.
  2. The ease with which iron can be oxidised as compared to the similar process for either Cr or Mn metals.
Arrange the following compounds in a decreasing order of basic strength in their aqueous solutions.
NH3, CH3NH2, (CH3)2NH, (CH3)3N
(a) What is reverse osmosis? How is water purified through it? Explain.
(b) Write the applications of osmosis.
Mention the type of compounds formed when small atoms like H, C and N get trapped inside the crystal lattice of transition metals. Also give physical and chemical characteristics of these compounds.
The rate constant for the first order decomposition of H2O2 is given by the following equation:
log k = 14.34 – 1.25 × 104K/T
Calculate Ea for this reaction and at what temperature will its half-period be 256 minutes?
Specify the oxidation numbers of the metals in the following coordination entities:
i. $\left[ Co \left( H _2 O \right)( CN )( en )_2\right]^{2+}$
ii. $\left[ Pt ( Cl )_4\right]^{2-}$
iii. $K _3\left[ Fe ( CN )_6\right]$
iv. $\left[ Cr \left( NH _3\right)_3 Cl _3\right]$
During nuclear explosion, one of the products is 90Sr with half-life of 28.1 years. If $1 \mu g$ of 90Sr was absorbed in the bones of a newly born baby instead of calcium, how much of it will remain after 10 years and 60 years if it is not lost metabolically.
Describe the reactions of -COOH group present in carboxylic acids.
(a) What type of protein is present in keratin?
(b) Write the reactions showing the presence of following in the open structure of glucose:
   i. an aldehyde group
  ii. a primary alcohol
(c) What products would be formed when a nucleotide from DNA containing thymine is hydrolysed?
(d) Amino acids show amphoteric behaviour. Why?
(e) What are a Amino Acids? Give examples.
(f) a. How can you explain the absence of an aldehyde group in the pentaacetate of D-glucose?
    b. Name the bases present in RNA. Which one of these is not present in DNA?
(g) Which monosaccharide units are present in starch, cellulose and glycogen and which linkages link these units?