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WorksheetsChem Quiz-1
Total questions: 15
Worksheet time: 11mins
Which of the following reaction types is characteristic of alkenes?
Nucleophilic subsititution
Electrophilic addition
Electrophilic substitution
Nucleophilic addition
Which of the following carbocations is the least stable?
Secondary
Primary
Tertiary
Methyl
Identify the addition reaction which is not undergone by the alkenes-
Ozonolysis
Oxidation
Addition of halogen acid
Mercuration
Addition of HBr to alkene in presence of peroxide, the product formed as per-
Markovnikov's rule
Anti-Markovnikov's rule
Both a and b
None of above
Which of the following are conjugated dienes?
H2C=CH-CH=CH2
H2C=C=CH2
H2C=CH-CH2-CH=CH2
What is the major product of the following reaction?
a) What catalyst is needed for hydrogenation?
b) What is needed for halogenation?
a) Pt, Pd or Ni
b) UV light
a) H+
b) Heat
a) [O]
b) Heat
a) [-O]
b) H+
What did Kekulé suggest as a structure for benzene?
A 3D cage of carbons with a complex system of bonds between them, with one hydrogen attached to each carbon
A ring of six carbon atoms with a stable, delocalised system of s-electrons forming bonds between the carbons and the single hydrogen atom bonded to each carbon
A long, long chain of carbons and hydrogens with alternating single and double bonds between the carbons
A ring of six carbons with alternating single and double bonds between the carbons, with one hydrogen atom bonded to each carbon
Ozonolysis of compound X produces propanone and methanal. What is X compound?
2-methylpropene
2-methyl-2-propene
1-methylbutene
2-methyl-2-butene
Molecules with double/tripple bond?
carbocilic acids
alkynes
unsaturated fats
saturated fats
What two names are correct for this compound?
benzoic acid and benzenecarboxylic acid
phenyl carboxylate and toluene
benzoic acid and phenyl carboxylate
benzenecarboxylic acid and toluene
What is the temperature required for the reaction?
less than 10℃
25℃
50-55o celcius
Cold diluted
