Question
Explain the oxidation of primary, secondary and tertiary alcohols.
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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 $\left( CH _3\right)_3 N$.
→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 $\left( CH _3\right)_3 N$.
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$i. K_3\left[ Co \left( C _2 O _4\right)_3\right]$
$ii.$ cis- $\left[ Cr (e n)_2 Cl _2\right] Cl$
$iii. \left( NH _4\right)_2\left[ CoF _4\right]$
$iv. \left[ Mn \left( H _2 O \right)_6\right] SO _4$
→$i. K_3\left[ Co \left( C _2 O _4\right)_3\right]$
$ii.$ cis- $\left[ Cr (e n)_2 Cl _2\right] Cl$
$iii. \left( NH _4\right)_2\left[ CoF _4\right]$
$iv. \left[ Mn \left( H _2 O \right)_6\right] SO _4$
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→The graphical representation of vapour pressures of two component system as a function of composition is given alongside. By graphic inspection, answer the following questions:
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(b) Explain aldol condensation reaction of ethanal.
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Is the variability in oxidation number of transition elements different from that of non–transition elements? Illustrate with examples.
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