If a compound contains 24 gram of carbon 2 gram of hydrogen and 64 gram of oxygen then its empirical formula will be________?

Related Mcqs:

1. Ammonium cynanate was 1st Inorganic compound that was converted into an Organic compound (in Lab) through boiling water. The organic compound was____.

   A. Methane
   B. Ethanol
   C. Acetic acid
   D. Urea

   Submitted by: Aamir khan Hullio

2. Water Gas is a mixture of two gases Hydrogen & Carbon monoxide, while separating Hydrogen gas by liquification process which one is liquefied first__?

   A. Hydrogen Gas
   B. Carbon Monoxide Gas
   C. Both at same time
   D. None of them

   Submitted by: Aamir khan Hullio

3. Water Gas is a mixture of two gases Hydrogen & Carbon monoxide, while separating Hydrogen gas by liquification process which one is liquefied first__?

   A. Hydrogen Gas
   B. Carbon Monoxide Gas
   C. Both at same time
   D. None of them

   Submitted by: Aamir khan Hullio

4. A compound is determined to have an emperical formula of C2H6O and a molar mass of 138 g/mole. What is the molecular formula?

   A. C2H6O
   B. C6H18O3
   C. C6H12O6
   D. C2H5O

   Submitted by: Muhammad Ali Kunbhar

5. A substance is analyzed and found to have an emperical formula of CH2 and a molar mass of 56g/mole. What is the molecular formula of the compound?

   A. C2H4
   B. C3H6
   C. C4H8
   D. C5H10

   Submitted by: Muhammad Ali Kunbhar

6. Empirical formula of chloroform is____________________?

   A. CH2 C12
   B. CH3C1
   C. CC14
   D. CHCL3

7. For which of the following compounds the term empirical formula cannot be applied ?

   A. NaCl
   B. H2O
   C. CCI4
   D. It can be applied to all mentioned above

8. Which of the following compounds has the empirical formula CH2O and reacts with sodium hydroxide ?

   A. carbonic acid
   B. ethanol
   C. acetic acid
   D. methanoic acid

9. The mass of P4O10 that will be obtained from the reaction of 1.33 gram of P4 and 5.07 of oxygen is___________?

   A. 2.05 gram
   B. 3.05 gram
   C. 4.05 gram
   D. 5.05 gram

   Submitted by: Muhammad Ali Kunbhar

10. Oxygen (molecular weight = 32) diffuses at a rate of 10cm3/min under the same conditions of temperature and pressure how fast will hydrogen (molecular weight = 2) diffuse ?

    A. 20cm3/min
    B. 40cm3/min
    C. 160cm3/min
    D. 2.5cm3/min