Question
Explain the relationship between basicity and structure of amines.

Answer

SELF

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Similar questions

(i) Define the order of a reaction.
(ii) Explain the effect of concentration of reactant on the rate constant.
(iii) For a first order reaction, if the rate constant at 500 K and 600 K are $0.03 s^{-1}$ and $0.06 s^{-1}$ respectively, then calculate the activation energy.
$
\left[R=8.314 JK^{-1} mol^{-1}, \log 2=0.3010\right]
$
  1. Define the following terms:
  1. Ideal solution.
  2. Azeotrope.
  3. Osmotic pressure.
  1. A solution of glucose (C6H12O6) in water is labelled as 10% by weight. What would be the molality of solution?

(Molar mass of glucose = 180 g mol-1).

Explain the IUPAC method of nomenclature coordination compounds with examples.
Match the items of Column I and Column II.
 
Column I
 
Column II
i.
Lead storage battery
a.
Maximum efficiency.
ii.
Mercury cell
b.
Prevented by galvanisation.
iii.
Fuel cell
c.
Gives steady potential.
iv.
Rusting
d.
Pb is anode, PbO2 is cathode.
Write a detailed note on enzymes.
Explain in detail the changing oxidation states of the elements of d group (transition elements) in the context of 3d series.
Describe the structure of a fuel cell. Draw labelled diagram of a structure of fuel cell?
(a) Draw the structure of a galvanic cell and also describe the reaction taking place in it.
(b) What happens when opposite external potential is applied in the galvanic cell system? Explain.
  1. Complete the following chemical equations for reactions:

i. $\text{MnO}_{4(aq)}^{-}+\text{S}_{2}\text{O}_{3(aq)}^{2-}+\text{H}_{2}\text{O}_{(l)}\rightarrow$

ii. $\text{Cr}_{2}\text{O}^{-}_{7(aq)}+\text{H}_{2}\text{S}_{(g)}+\text{H}^{+}_{(aq)}\rightarrow$

  1. Give an explanation for each of the following, observations:
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  2. The greatest number of oxidation states are exhibited by the members in the middle of a transition series.
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  1. A blackish brown coloured solid ‘A’ when fused with alkali metal hydroxides in presence of air, produces a dark green coloured compound ‘B’, which on electrolytic oxidation in alkaline medium gives a dark purple coloured compound C. Identify A, B and C and write the reactions involved.
  2. What happens when an acidic solution of the green compound (B) is allowed to stand for some time? Give the equation involved. What is this type of reaction called?