What is the IUPAC name of CH3CCI=C(CH3)2?
2-chloro -3 methylbut -2yne
2 -chloro -3 methylbut -2ene
2 -chloro -3 methylbutene
3- methyl -2-chlorobut -2-ene
3- methyl -2. chlorobut -2 yne
Correct answer is B
No explanation has been provided for this answer.
Which formula is used to indicate the degree of acidity of an acid?
\( [H^+] = ^{\text{mass of acid relative}} molecular mass of acid \)
F = number of H+ = ions x molar mass of the acid
Kw = [H+][OH-]
pH = - log10[H+]
pKa = -log10Ka
Correct answer is D
No explanation has been provided for this answer.
CH3CH2CHO
CH3CH2CH2OH
CH3CH2COQH
CH3CH20CH
CH3CH3OH
Correct answer is B
No explanation has been provided for this answer.
A calcium atom and a calcium ion have the same
chemical properties
electric charge
electronic structure
number of electrons
number of neutrons
Correct answer is E
No explanation has been provided for this answer.
Which is NOT a synthetic polymer?
nylon
Orion
Perspex
polystyrene
wool
Correct answer is E
No explanation has been provided for this answer.