Which formula represents a hydronium ion? (1) H3O+ (3) OH– (2) NH4+ (4) HCO3–
2 answers:
Answer : The correct option is,
Explanation:
The chemical formula of hydronium ion is,
It is formed by the protonation of water that means it is formed by the combination of ion with the water molecule. The hydronium ion is the positively charged molecule.
It is the simplest form of oxonium ion.
Or we can say that the hydronium ion is produced when an Arrhenius acid dissolves in water.
The reaction will be,
Hence, the correct option is,
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<span>1,3-cylohexadiene i synthesized starting from cyclohexane in following 4 steps.
1) Free Radical Substitution Rxn: Halogenation of cyclohexane in the presence of UV yield chlorocyclohexane.
2) Elimination Rxn: Dehydrohalogenation of chlorocyclohexane yields cyclohexene.
3) Halogenation of Cyclohexene (Electrophillic Addition Rxn) gives 1,2-dihalocyclohexane.
4) Elemination Rxn: When dibromocyclohexane is treated with KOH and heated it gives 1,3-cyclohexadiene as shown below,</span>
1) Free Radical Substitution Rxn: Halogenation of cyclohexane in the presence of UV yield chlorocyclohexane.
2) Elimination Rxn: Dehydrohalogenation of chlorocyclohexane yields cyclohexene.
3) Halogenation of Cyclohexene (Electrophillic Addition Rxn) gives 1,2-dihalocyclohexane.
4) Elemination Rxn: When dibromocyclohexane is treated with KOH and heated it gives 1,3-cyclohexadiene as shown below,</span>