Question

mcq question 2 and 3 answer please​

Answer 1

Answer:

2. c four atoms

four single bonds, one to each of three hydrogen atoms and one to the neighboring carbon atom. However, in some organic molecules, a carbon atom shares two or three pairs of electrons with another bonded atom. If two electron pairs are shared, a double bondexists.

3. b

three

Structure and Formula of Pentane

As you can see, those 5 carbon atoms are present in a straight chain fashion. Remember, the single bonds linking carbon atoms to each other is what makespentane an alkane. Pentane has three differentstructural isomers.

Answer 2

2.3 atoms(C2H6)see in pic.

3.5