Question

If the letter'R'was used to represent any of the elements in the group then the hydride and oxide of carbon would respectively be represented as
RH4,RO
RH4,RO2
RH2,RO2
RH2,RO

Tell me correct answer​

Answer 1

Answer:

RH4, RO2

Explanation:

The formula for Methane is CH4 and for Carbon Dioxide is CO2.

When R replaces Carbon i.e. C. The answer will also change accordingly