A hydrocarbon has molecular formula C3H8. Identify the class of hydrocarbons it belongs to.

Biology

2 answers:

Lilit [14]3 years ago

8 0

It would belong to the group known as the Alkane which have the general form $C_{n} H_{2n + 2}$

cricket20 [7]3 years ago

7 0

Answer:

Alkanes

Explanation:

There are 3 classes of hydrocarbons based on the on the presence of single, double and triple bond present in them. These classes are mentioned as under:

1) alkanes

2)alkenes

3)alkynes

Alkanes are the hydrocarbons which are compounds of carbon and hydrogen bonded by single bond. Their general formula is CnH2n+2 that means if in an alkane n = 3 then it will have 3 carbon and 2n+2 = 8 hydrogen molecules.

Alkenes are the hydrocarbons which are compounds of carbon and hydrogen bonded by double bond. Their general formula is CnH2n.

Alkynes are the hydrocarbons which are compounds of carbon and hydrogen bonded by triple bond. Their general formula is CnH2n-2.

As explained above, the given hydrocarbon is an alkane because its chemical formula is C3H8 which satisfies the condition for formula CnH2n+2 which is valid for alkanes.

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If round pea shape is dominant to wrinkled pea shape, which of the following genotypes

Kobotan [32]

Answer:

C. rr

Explanation:

The dominant genotype will always be denoted by the capital version, or in this case R.

The round pea shape is dominant to the wrinkled pea shape, which means that, in the Punnett Square, the combinations of RR, Rr, rR, will all come out to be round pea shape.

The last box, rr, would be the one that gives the wrinkled phenotype.

In this case, by ratio, wrinkled phenotype show up 25%

by ratio, round phenotype show up 75%.

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zheka24 [161]

I have put a table is this helps!