MCQ
Ammonia on reaction with hypochlorite anion, can form
- A$NO$
- B$N{H_4}Cl$
- C${N_2}{H_4}$
- ✓Both (b) and (c)
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$2C_6H_6 (l) + 15O_2 (g) \longrightarrow 12CO_2 (g) + 6H_2O(l)$
at $300\, K$ is ....$J\,mol^{-1}$ ($R = 8.314\, J\, mol^{-1}\, K^{-1}$)
$II.$ The ionization energy generally increases with increasing atomic number in a period.
$III.$ The electronegativity of an element is the tendency of an isolated atom to attract an electron.
Which of the above statements is/are correct?