Which of these reactions is LEAST likely to occur?
2Na(s) + Cl₂(g) → 2NaCl(s)
CH₄(g) + 2O₂(g) → CO₂(g) + 2H₂O(g)
Ne(g) + F₂(g) → NeF₂(g)
H₂O(l) → H₂(g) + ½O₂(g)
Related Questions
The major product of the reaction of bromobenzene with magnesium in dry ether followed by reaction with CO2 and then acidic hydrolysis is:
Phenol
Toluene
Benzoic acid
Bromophenol
The C-X bond in aryl halides is:
Weaker than in alkyl halides
Stronger than in alkyl halides
The same strength as in alkyl halides
Non-existent
Predict the major product of the reaction of 1-bromo-4-nitrobenzene with potassium tert-butoxide in tert-butanol.
4-tert-butoxy-1-nitrobenzene
2-tert-butoxy-1-nitrobenzene
1-bromo-4-tert-butoxybenzene
No reaction
Maximum percentage of chlorine is in:
KClO3
Ca(ClO3)2
Mg(ClO3)2
CaOCl2
Most reactive compound towards nucleophilic addition among the following is
PhCHO
HCHO
Chlorobenzene is an example of:
Alkyl halide
Aryl halide
Alcohol
Phenol
The alkyl halide which is most reactive towards dehydrogalogenation is
R-F
R-Cl
R-Br
R-I
Which of the following statements regarding the reactivity of aryl halides is correct?
Aryl halides are more reactive than alkyl halides in nucleophilic substitution reactions.
Aryl halides readily undergo SN2 reactions.
The C-X bond in aryl halides has no double bond character.
Aryl halides are less reactive than alkyl halides in nucleophilic substitution reactions.
Friedel-Craft’s reaction of bromobenzene with methyl iodide gives:
bromotoluene
bromotoluene
bromotoluene
bromotoluene
Aryl halides are less reactive towards nucleophilic substitution reactions than alkyl halides. This is primarily due to:
Higher electronegativity of the halogen
Resonance stabilization
Weaker C-X bond
Steric hindrance
