The product of the reaction between propanoic acid and ethanol is
prophlmethanoate
ethylethanoate
methylpropanoate
propylethanoate
ethylpropanoate
Correct answer is E
No explanation has been provided for this answer.
Which of the following minerals contains flurine as one of its constituent elements?
Cryolite
Bauxite
Potash alum
Kaolin
Mica
Correct answer is A
No explanation has been provided for this answer.
Which of the following pH values is likely to be that of a slightly alkaline solution?
2
5
7
8
13
Correct answer is D
No explanation has been provided for this answer.
Which of the following statements is not correct? The 4s orbital
is defined by the quantum number 1 = O
is of higher energy than the 3d orbital
contains a maximum of two electrons
is spherical about the nucleus
is filled before the 4p orbital
Correct answer is B
No explanation has been provided for this answer.
Which of the following statement is not correct about esterification?
It is a slow reaction
the process is reversible
it is similar to hydrolysis
it is catalysed by acids
the products usually have a fruity smell
Correct answer is C
No explanation has been provided for this answer.