Question
Which structure is correctly named?
▶️Answer/Explanation
Ans:
C
It has 2 C atoms and one -OH group, hence it is ethanol.
Question
Which compound is correctly named?
▶️Answer/Explanation
Ans: B
It has total 2 carbon atoms and contains -COOH group, hence it is ethanoic acid.
Question
The formulae of two organic compounds, P and Q, are shown.
▶️Answer/Explanation
Ans: B
P has -OH group, hence it is an alcohol.
Q is C4H8 has a C=C bond and has general formula CnH2n hence, it is an alkene.
Question
Which formula represents an alkene?
A CH4 B C2H4 C C2H6 D C2H5OH
▶️Answer/Explanation
Ans:
B
Alkenes have general formula CnH2n hence, B is an alkene.