2019 - JAMB Chemistry Past Questions and Answers - page 1
A second alkanol can be oxidized to give an
alkanone
alkyne
alkanoic acid
alkanal
Which of the following will give a precipitate with an aqueous solution of copper (I) chloride?
The IUPAC name for CH\(_3\)CH\(_2\)COOCH\(_2\)CH\(_3\) is
methylpropanoate
ethylethanoate
ethylpropanoate
methylethanoate
A certain hydrocarbon on complete combustion at s.t.p produced 89.6dm\(^3\) of CO\(_2\) and 54g of water. The hydrocarbon should be
2-methylprop-1-ene is an isomer of
3-methyl but-1-ene
2-methyl but-1-ene
but-2-ene
pent-2-ene
Hydrocarbons which will react with Tollen's reagent conform to the general formula
C\(_n\)H\(_{2n}\)
C\(_n\)H\(_{2n + 2}\)
C\(_n\)H\(_{2n - 2}\)
C\(_n\)H\(_{2n + 1}\)OH
The IUPAC name of the compound CF\(_3\)CHBrCl is
Synthetic rubber is obtained from the polymerization of
neoprene
isoprene
butandiene
propylene
Burning magnesium ribbon in air removes which of the following
(i) oxygen (ii) nitrogen (iii) argon and (iv) carbon(iv)oxide?
i and iv only
i, ii, iii and iv only
i only
i and ii only
Which of the following is the best starting material for the preparation of oxygen? Heating of trioxonitrate (v) with
Pb
Zn
Ca
Na