🧪 TheChemSolverUSNCO / General Chemistry
BondingMCQ

CH4(g) + Cl(g) -> CH3(g) + HCl(g) dH° = -14 kJ/mol_rxn NH3(g) + Cl(g) -> NH2(g) + HCl(g) dH° = -36 kBonding Chemistry Question

Question

CH4(g) + Cl(g) → CH3(g) + HCl(g) dH° = -14 kJ/mol_rxn
NH3(g) + Cl(g) → NH2(g) + HCl(g) dH° = -36 kJ/mol_rxn
H2O(g) + Cl(g) → OH(g) + HCl(g) dH° = +40 kJ/mol_rxn

Based on the data above, what can be concluded regarding the strength of the C-H, N-H, and O-H bonds in the molecules shown?

A.

The C-H bond is the strongest.

B.

The N-H bond is the strongest.

C.

The O-H bond is the strongest.

✓ Correct
D.

Nothing can be concluded without knowing the strength of the H-Cl bond.

💬
Still have doubts about this question?
Practice more questions like this, completely free.

Practice USNCO / General Chemistry questions like this — free

4,000+ questions across AP Chemistry, USNCO, and IChO — all free, no signup required.