MCQ
Hess's law is based on:
- ALaw of conservation of mass.
- BLaw of conservation of energy.
- CLaw of active mass.
- DBoth (a) and (b).
Explanation:
Hess's law is based on law of conservation of energy.
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$(A)$ $m-CH_3OPhCH_2^+$ $(B)$ $p-CH_3OPhCH_2^+$ $(C)$ $PhCH_2^+$ $(D)$ $p-NO_2PhCH_2^+$
$(i) C_2H_5OH \longrightarrow CH_3CHO$
$(ii) C_2H_5OH \longrightarrow C_2H_5ONa$