Which one of the following groups of chemical compounds is composed entirely of organic compounds?

a. ch3och3, ca3(po4)2, co2, h2co3
b. c2h2, ch4, cacl2, cacn2
c. c2h4o, ch2o, caso4, c3h5(oh)3
d. c6h6, c2h5oh, c6h5ch3, c3h5(no3)3

D

Explanation:

Organic compounds are chemical compounds which usually contains one or more atoms of carbon, hydrogen, oxygen and sometimes nitrogen or sulphur. Carbon and hydrogen are the main element that is contained in most organic compounds.

Option A is wrong because calcium phosphate is not an organic compound, although all the other compounds in the option are organic compounds.

Option B is wrong because calcium chloride is not an organic compound

Option C is wrong also as calcium sulphate is not an organic compound

Option D is correct as all are organic compounds

its first and third is your answer i did the qustion the fourth isnt right

it is the most commonly accepted one