MCQ
Which of the following reactions is reversible
- ✓${H_2} + {I_2}\xrightarrow{{}}2HI$
- B${H_2}S{O_4} + Ba{(OH)_2}\xrightarrow{{}}BaS{O_4} + 2{H_2}O$
- C$NaCl + AgN{O_3}\xrightarrow{{}}NaN{O_3} + AgCl$
- D$Fe + S\xrightarrow{{}}FeS$
✓
Answer
Correct option: A.
${H_2} + {I_2}\xrightarrow{{}}2HI$
a
It’s Obvious
It’s Obvious
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$NaCl + H_2SO_4 \longrightarrow NaHSO_4 + HCl$ ; $\Delta H = -y\,kJ$
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