MCQ
Which of the following form dimer by $H-$ bond
- ✓$CH_3COOH$
- B$H_2SO_4$
- C$AlCl_3$
- D$o-$ nitrophenol
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$Si_2H_6(g)\,\,+\,\,H_2(g)\,\,\to \,\, 2SiH_4(g),\,\,\Delta H\,\,=\,\,-\,11.7\,\,kJ/mol$
$SiH_4(g)\,\,\to \,\,SiH_2(g)\,\,+\,\,H_2(g),\,\, \Delta H\,\,=\,\,+239.7\,\,kJ/mol$
$\Delta H_f^o\,\,Si_2H_6(g)\,\,=\,\,80.3\,\,kJ/mol$
......$kJ/mol$
