05 May Are you able to answer this Secondary Chemistry Tuition Question?
37 A compound known in industry as ‘MTBE’ is used as an additive in ‘lead-free’ petrol. The structural formula of MTBE is shown.
Which compound is an isomer of MTBE?
38 A student investigated the reaction of different vegetable oils with hydrogen. 100 cm3 of hydrogen was passed through 1 g samples of vegetable oils containing a suitable catalyst. The volume of hydrogen remaining after each reaction was recorded.
| vegetable oil | volume of hydrogen remaining/cm3 |
| P Q R S | 100 87 63 0 |
Which vegetable oils are unsaturated?
A P only B Q and R only
C Q, R and S only D S only
39 The diagram shows the structure of the compound 1,3-butadiene.
How many molecules of hydrogen are needed to saturate one molecule of 1,3-butadiene?
A 1 B 2
C 3 D 4
40 Methane is the first member of the alkane series of hydrocarbons. The second member is ethane which
1 has the formula C2H4.
2 has a higher boiling point than that of methane.
3 has the same empirical formula as methane.
4 has chemical properties very similar to those of methane.
Which statements are correct?
A 1, 2 and 3 B 1 and 4
C 2 and 4 D 3 only
Miracle Learning Centre (O Level Chemistry Tuition/ IP Chemistry Tuition)
Did you answer the Secondary Chemistry Tuition Question correctly?
37.C
38.C
39.B
40.C
Learn from our Chemistry Tuition Question and Answer.
Miracle Learning Centre Call 6463 8756 or sms 8128 8342/9839 9908.
(Specialist in Science and Maths) for Primary, Secondary and JC levels.
Miracle Learning Centre specialises in Physics tuition, Chemistry tuition, Maths tuition and Science tuition Classes.