The formula C6H5-CO-CH3 represents_______ ?

Related Mcqs:

1. The bond angle between hybrid orbitals in methane CH3 is___________?

   A. 115.5°
   B. 109.5°
   C. 105. 7°
   D. 180°

   Submitted by: Muhammad Ali Kunbhar

2. The compound (CH3)3COH according to IUPAC is known as ___________?

   A. Tert-Butanol
   B. 2,2-Dimethyl-propanol
   C. Tert Alcohol
   D. 1,1- Diethylethanol

   Submitted by: Muhammad Ali Kunbhar

3. 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

4. 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

5. 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

6. The formula of palmitic acid_________________?

   A. C15H31COOH
   B. C13H27COOH
   C. C17H33COOH
   D. C17H35COOH

7. Formula of haloform is_________________?

   A. HCOX
   B. CX4
   C. CHX3
   D. CH3X

8. What is the Chemical formula of Zinc Hydroxide _________ ?

   A. Zn(OH)2
   B. ZNO2
   C. Zn2(OH)3
   D. ZnOH

   Submitted by: Rashid Mehmood

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

   A. C2H2O4
   B. CH2
   C. CH2O
   D. CHO2

   Submitted by: Raza Samejo

10. Formula of Galena is________?

    A. PbS
    B. HgS
    C. AS2S3
    D. FeS2

    Submitted by: Muhammad Ali Kunbhar