Question
Explain different types of isomerism in alkenes with example.

Answer

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Direction: Match Column I with Column II.
S. No.
Column I
S. No.
Column II
(a)
Diborane
(i)
Used as a flux for soldering metals
(b)
Galluim
(ii)
Crystalline form of silica
(c)
Borax
(iii)
Banana bonds
(d)
Aluminosilicate
(iv)
Low melting, high boiling, useful for measuring high temperatures
(e)
Quartz
(v)
Used as catalyst in petrochemical industries
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a. 0.01 M
b. $0.1 M HCl ?$
The equilibrium constant for the following reaction is $1.6 \times 10^5$ at 1024K $\text{H}_2\text{ (g) + Br (g)}\rightleftharpoons2\text{HBr (g)}$ Find the equilibrium pressure of all gases if 10.0 bar of HBr is introduced into a
sealed container at 1024K.
Among the second period elements the actual ionization enthalpies are in the order Li < B < Be < C < O < N < F < Ne.Explain why,
  1. Be has higher $\Delta_{\text{t}}\text{H}$ than B
  2. O has lower $\Delta_{\text{t}}\text{H}$ than N and F?
What is the basic difference in approach between the Mendeleev’s Periodic Lawand the Modern Periodic Law?
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  1. A certain salt 'X' gives the following results:
  1. Its aqueous solution is alkaline to litmus.
  2. It swells up to a glassy material ‘Y' on strong heating.
  3. When conc. HCl is added to a hot solution of 'X' white crystals of an acid 'Z' separates out.
Write equations for all the above reactions and identify 'X', 'Y' and 'Z'.
  1. Select the members of group $14$ that:
  1. Forms the most acidic dioxide.
  2. Is commonly found in $+2$ oxidation state
S. No
Column I
Column II
1.
$Cl_2O$
+7
2.
$Cl_2O_7$
+4
3.
$ClO_2$
+1
4.
$Cl_2O_6$
+6
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Draw diagrams showing the formation of a double bond and a triple bond between carbon atoms in $\mathrm{C}_2 \mathrm{H}_4$ and $\mathrm{C}_2 \mathrm{H}_2$ molecules.