MCQ
The nitrogen atom has $ 7$ protons and $7$ electrons, the nitride ion $({N^{3 - }})$ will have
- ✓$7 $ protons and $10 $ electrons
- B$4$ protons and $7$ electrons
- C$4 $ protons and $10 $ electrons
- D$10$ protons and $7$ electrons
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| List$I$ | List$II$ |
| $A.$ Cobalt catalyst | $I.$ $\left( H _2+ Cl _2\right)$ production |
| $B.$ Syngas | $II.$ Water gas production |
| $C.$ Nickel catalyst | $III.$ Coal gasification |
| $D.$ Brine solution | $IV.$ Methanol production |
Choose the correct answer from the options given below :-
Arrange the hydrogens $a, b, c, d$ in decreasing order of their reactivities towards chlorination