In borax bead test which compound is formed_________?

Related Mcqs:

1. Which of the following does not give Borax bead test ?

   A. Cu
   B. Cr
   C. Ni
   D. A1

2. The coloured glassy mass in borax bead test is due to the formation of___________________?

   A. metal borate
   B. metal meta borate
   C. metal boride
   D. metal silicate

3. Which one does not give borax bead test_________________?

   A. Copper sulphate
   B. Barium sulphate
   C. Cobalt sulphate
   D. Nickel sulphate

4. 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

5. Borax is a white crystalline solid and it is_________________?

   A. More soluble in cold water
   B. More soluble in hot water
   C. Insoluble in water
   D. Soluble only in organic solvents

6. Aqueous solution of borax above 62°C gives crystals of________________?

   A. Na2B4O7.4H2O
   B. Na2B4O7.5H2O
   C. Na2B4O7.2H2O
   D. Na2B4O7.10H2O

7. In base catalyzed reaction of carbonyl compound the catalyst___________________?

   A. increases the nucleophilic character of reagent
   B. increases electrophilic character of carbonyl compound
   C. acidic character of reagent
   D. both a and b

8. Which compound form benzoic acid on oxidation with acidified KMnO4 or K2Cr2O7 ?

   A. Toluene
   B. Ethyl benzene
   C. n-propyl benzene
   D. All

9. In which compound of Xenon the oxidation state of Xenon is + 6?

   A. XeF4
   B. XeOF4
   C. XeOF2
   D. Na4XeO6

10. 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