Identify the formulas of the organic products, A-E, formed in the reactions, I – IV:
A =
B =
C =
D =
E =
What is the IUPAC name of the compound CH3CH2COOCH2CH3
Ethyl ethanoate
Propyl ethanoate
Ethyl propanoate
Pentyl propanoate
Which equation represents a propagation step in the reaction of methane with bromine?
CH4 -> CH3 + H•
CH4 + Br• -> CH3 • + HBr
CH4 + Br • -> CH3Br + H •
CH3 • + Br • -> CH3Br
Which major compound is produced in the reaction between but-1-ene and steam?
CH3CH(OH)CH(OH)CH3
CH2OHCH2CH2CH3
CH3CH2CH(OH)CH3
CH3CH2CH2CH2OH
What is the product of the oxidation of butan-2-ol?
But-2-ene
Butanoic acid
Butanal
Butanone
Which statements about CH3CH2CHO are correct?
I. It can be oxidized to CH3CH2COOH.
II. It can be produced by oxidation of CH3CH2OH.
III. It can be reduced to CH3CH2CH2OH.
I and II only
I and III only
II and III only
I, II and III
Which factors affect the rate of nucleophilic substitution in halogenoalkanes?
I. The nature of the attacking nucleophile
II. The identity of the halogen
III. The structure of the halogenoalkane
I and II only
I and III only
II and III only
I, II and III
Halogenoalkanes can undergo SN1 and SN2 reactions with aqueous sodium hydroxide. Which halogenoalkane will react fastest with a 0.1 mol dm–3 solution of aqueous sodium hydroxide?
2-chloro-2-methylpropane
2-iodo-2-methylpropane
1-chlorobutane
1-iodobutane
Which one of the following statements about benzene is incorrect?
A total of six electrons per molecule are delocalised.
All of the carbon-carbon bonds are the same length.
The bond angles are all 120°.
The empirical formula is C6H6
Propene is converted to propanone in a two stage process.
Propene X → Propanone
What is the formula of compound X?
CH3CHBrCH3
CH3CH2CH2Br
CH3CH(OH)CH3
CH3CH2CH2OH
Which compound could rotate the plane of polarization of polarized light?