Question
How would you distinguish among primary, secondary and tertiary alcohols?
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Write the structures of reagents/ organic compounds (A to F) in the following sequence of reactions:
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Explain the limitations of valence bound theory.
A solution containing 30 g of non-volatile solute exactly in 90 g of water has a vapour pressure of 2.8 kPa at 298 K. Further, 18 g of water is then added to the solution and the new vapour pressure becomes 2.9 kPa at 298 K. Calculate :
(i) molar mass of the solute
(ii) vapour pressure of water at 298 K
(i) molar mass of the solute
(ii) vapour pressure of water at 298 K
Match the catalysts given in Column $I$ with the processes given in Column $II.$
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Column $I ($Catalyst$)$
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Column $II ($Process$)$
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| $(i)$ |
Ni in the presence of hydrogen
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$(a)$ |
Zieglar Natta catalyst
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| $(ii)$ | $Cu_2Cl_2$ | $(b)$ |
Contact process
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| $(iii)$ | $V_2O_5$ | $(c)$ |
Vegetable oil to ghee
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| $(iv)$ |
Finely divided iron
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$(d)$ |
Sandmeyer reaction
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| $(v)$ | $TiCl_4 + Al (CH_3)_3$ | $(e)$ |
Haber’s Process
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$(f)$ |
Decomposition of $KClO_3$
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Graphically explain the effect of temperature on the rate constant of reaction. How can this temperature effect on rate constant be represented quantitatively?
$(a).$ A purple colour compound $A,$ which is a strong oxidising agent and used for bleaching of wool, cotton, silk and other textile fibres was added to each of the three test tubes along with $H_2SO_4.$ It was followed by strong heating.
In which of the above test tubes; $A, B$ or $C:$
$(i)$ Violet vapours will be formed
$(ii)$ The bubbles of gas evolved will extinguish a burning matchstick. Write an equation for each of the above observations.
$b. A$ metal ion $M^{n+}$ of the first transition series having $d^5$ configuration combines with three didentate ligands. Assuming $\Delta_0 < P:$
$(i)$ Draw the crystal field energy level diagram for the $3d$ orbital of this complex.
$(ii)$ What is the hybridisation of Mnt in this complex and why?
$(iii)$ Name the type of isomerism exhibited by this complex.
→In which of the above test tubes; $A, B$ or $C:$
$(i)$ Violet vapours will be formed
$(ii)$ The bubbles of gas evolved will extinguish a burning matchstick. Write an equation for each of the above observations.
$b. A$ metal ion $M^{n+}$ of the first transition series having $d^5$ configuration combines with three didentate ligands. Assuming $\Delta_0 < P:$
$(i)$ Draw the crystal field energy level diagram for the $3d$ orbital of this complex.
$(ii)$ What is the hybridisation of Mnt in this complex and why?
$(iii)$ Name the type of isomerism exhibited by this complex.
Write the structures of reagents/ organic compounds (A to F) in the following sequence of reactions:
Describe the common name system and IUPAC system of naming amines.
- Differentiate between molarity and molality for a solution. How does a change in temperature influence their values?
- Calculate the freezing point of an aqueous solution containing $10.50g$ of $\ce{MgBr_2}$ in $200 g$ of water. (Molar mass of $\ce{MgBr_2 = 184 g})$
Explain fuel cell in detail and explain the shortcomings of power generation from thermal plants.