Home
Class 11
CHEMISTRY
A chemist decided to determine the molec...

A chemist decided to determine the molecular formula of an unknown compound. He collects following informations: (P) Compound contains 2:1 H to O atom (number fo atoms).
(Q) Compound has 40% C by mass
(R) Approximate molecular mass of the compound is 178 g.
(S) Compound contains C,H and O only.
What is the empirical formula of the compound?

A

`CH_(3)O`

B

`CH_(2)O`

C

`C_(2)H_(2)O`

D

`CH_(3)O_(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MOLE CONCEPT, STOICHIOMETRY & CONCENTRATION TERMS

    GRB PUBLICATION|Exercise Comprehension#27|1 Videos

  • MOLE CONCEPT, STOICHIOMETRY & CONCENTRATION TERMS

    GRB PUBLICATION|Exercise Comprehension#28|1 Videos

  • MOLE CONCEPT, STOICHIOMETRY & CONCENTRATION TERMS

    GRB PUBLICATION|Exercise Comprehension#25|1 Videos

  • ISOMERISM

    GRB PUBLICATION|Exercise SUBJECTIVE TYPE|67 Videos

  • NOMENCLATURE AND CLASSIFICATION

    GRB PUBLICATION|Exercise Subjective Type|24 Videos

Similar Questions

Explore conceptually related problems

A chemist decided to determine the molecular formula of an unknown compound. He collects following informations: (P) Compound contains 2:1 H to O atom (number fo atoms). (Q) Compound has 40% C by mass (R) Approximate molecular mass of the compound is 178 g. (S) Compound contains C,H and O only. What is the % by mass of oxygen in the compound?

A chemist decided to determine the molecular formula of an unknown compound. He collects following informations: (P) Compound contains 2:1 H to O atom (number fo atoms). (Q) Compound has 40% C by mass (R) Approximate molecular mass of the compound is 178 g. (S) Compound contains C,H and O only. Which of the following could be molecular formula of compound?

A compound contains C=40%,O=53.5% , and H=6.5% the empirical formula formula of the compound is:

An inorganic compound contains Ca = 40%, C = 12% and O = 48%. The empirical formula of this compound is

A compound contains C=90% and H=10% Empirical formula of the compound is:

An organic compound contains C=40%,H=6.67% and O=53.33% .The empirical formula of compound would be

The empirical formula and molecular mass of a compound are CH_(2)O and 180 g respectively. What will be the molecular formula of the compound ?

GRB PUBLICATION-MOLE CONCEPT, STOICHIOMETRY & CONCENTRATION TERMS-Comprehension#26
  1. A chemist decided to determine the molecular formula of an unknown com...

    Text Solution

    |