10ml of alcohol dissolve in 90ml of water unit of concentration used is________________?

Related Mcqs:

1. Formalin consists of mixture of formaldehyde methyl alcohol and water Percentage of water in it is________________?

   A. 60%
   B. 50%
   C. 52%
   D. 8%

2. Which of the following unit of concentration is independent of temperature ?

   A. Molarity
   B. Molality
   C. Mole fraction
   D. all

3. 58.5g of of NaCl per 1 dm3 of solution of NaCl in water the concentration of solution will be___________________?

   A. 0.1 M
   B. 1 m
   C. 1 M
   D. 0.1 N

4. For which system does the equilibrium constant Kc has unit of (concentration)-1__________________?

   A. N2+3H2 2NH3
   B. H2+I2 2HI
   C. 2NO2 N2H4
   D. PCI5 PCI3+CI2

5. Oxidation of primary alcohol gives________________?

   A. ketone
   B. Aldehyde
   C. Alkene then – COOH
   D. Ester

6. Which one of the following molecules does not form alcohol when reacts with Grignard reagent ?

   A. formaldehyde
   B. acetaldehyde
   C. propanone
   D. carbondioxide

7. Which one of the following reactants will be required to form straight chain alcohol by using Grignard reagent________________?

   A. formaldehyde
   B. ketone
   C. ethylene epoxide
   D. both A & C

8. Which one of the following alcohol has greater boiling point___________________?

   A. ethanol
   B. ethylene glaycol
   C. glycerol
   D. methanol

9. Why does Ethyl Alcohol show high boiling point then Acetone?

   A. Due to Hydrogen bonding
   B. Due to high molecular weight
   C. Due to its Acidic nature
   D. Due to its Low molecular weight

   Submitted by: Naintara Mustafa

10. The Boiling Point of Ethyl Alcohol is_________?

    A. 78°C
    B. 58°C
    C. 73°C
    D. 56°C

    Submitted by: Naintara Mustafa