MCQ
Which of the among is strongest base ?
- A$C_6H_5NH_2 (K_b = 3 \times 10^{-13})$
- B$C_6H_5NHCH_3 (K_b = 4 \times 10^{-11})$
- C$C_6H_5N(CH_3)_2 (K_b = 3 \times 10^{-12})$
- ✓$C_6H_5NHC_2H_5 (K_b = 2 \times 10^{-9})$
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Product of the above reaction is
$2A{B_3}(g) \rightleftharpoons {A_2}(g) + 3{B_2}(g)$. At equilibrium, $2\, mol$ of $A_2$ are found to be present. The equilibrium constant of this reaction is
Reason : Boron shows metallic nature.