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How will you convert phenol to benzoic acid?

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  1. Describe the general trends in the following properties of the first series of the transition elements:
  1. Stability of +2 oxidation state.
  2. Formation of oxometal ions.
  1. Assign reason for each of the following:
  1. Transition elements exhibit variable oxidation states.
  2. Transition metal ions are usually coloured.
How will you distinguish $1^{\circ}, 2^{\circ}$ and $3^{\circ}$ alcohols by Victor Mayer Test? Explain.
  1. Explain the following:
  1. Henry's law about dissolution of a gas in a liquid.
  2. Boiling point elevation constant for a solvent.
  1. A solution of glycerol (C3H8O3) in water was prepared by dissolving some glycerol in 500 g of water. This solution has a boiling point of 100.42°C. What mass of glycerol was dissolved to make this solution? (Kb for water = 0.512 K kg mol–1).
Match the coordination compounds given in Column I with the central metal atoms given in Column II and assign the correct code:
 
Column I (Coordination Compound)
 
Column II (Central metal atom)
a.
Chlorophyll
1.
Rhodium
b.
Blood pigment
2.
Cobalt
c.
Wilkinson catalyst
3.
Calcium
d.
Vitamin B12
4.
Iron
 
 
5.
Magnesium
Code:
  1. A (5), B (4), C (1), D (2).
  2. A (3), B (4), C (5), D (1).
  3. A (4), B (3), C (2), D (1).
  4. A (3), B (4), C (1), D (2).
Match the laws given in Column I with expresions given in Column II.
  Column I
  Column II
i. Raoult’s law
a. $\Delta\text{T}_\text{f}=\text{K}_\text{f}\text{m}$
ii. Henry’s law
b. $\pi=\text{CRT}$
iii. Elevation of boiling point
c. $\text{p}=\text{x}_1\text{p}^0_1+\text{x}_2\text{p}^0_2$
iv. Depression in freezing point
d. $\Delta\text{T}_\text{b}=\text{K}_\text{b}\text{m}$
v. Osmotic pressure
e. $\text{p}=\text{K}_\text{H}\cdot\text{x}$
Match the items of Column I and Column II.
 
Column I
 
Column II
i.
Lechlanche cell
a.
Cell reaction 2H2 + O2 ⎯→ 2H2O
ii.
Ni–Cd cell
b.
Does not involve any ion in solution and is used in hearing aids.
iii.
Fuel cell
c.
Rechargeable.
iv.
Mercury cell
d.
Reaction at anode, Zn ⎯→ Zn2+ + 2e-
 
 
e.
Converts energy of combustion into electrical energy.
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