On exposing palm wine to air for some days, it becomes sour owing to the conversion of
glucose to ethanol
glucose to gluconic acid
ethanol to ethanoic acid
ethanol to ethanal
palm wine to palmitic acid
Correct answer is C
No explanation has been provided for this answer.
Which of the following exhibits resonance?
Benzene
Butane
Pentene
Octana
Hexene
Correct answer is A
No explanation has been provided for this answer.
If the third member of a homologous series is C3H8, the fifth member will be
C 5H8
C5H9
C5H10
C5H11
C5H12
Correct answer is E
No explanation has been provided for this answer.
What does X represent in the following equation? H 2(g) + 1/2O2(g) → H2O (l); ∆H = xKJ.
Bond energy
Activation energy
Ionization energy
Enthalpy of neutralization
Enthalpy of formation
Correct answer is E
No explanation has been provided for this answer.
cooling the reaction mixture
using zinc powder instead of zinc granules
using zinc rod instead of zinc granules
carrying out the reaction at a higher pressure
carrying out the reaction in a closed vessel
Correct answer is B
No explanation has been provided for this answer.