The Lewis acids are__________________?

Related Mcqs:

1. Nucleic acids were first demonstrated in_________________?

   A. Pus cells B. Sperm heads C. 1872 D. all of the above...

2. Nucleic acids direct the synthesis of__________________?

   A. Glucose B. Triglycerides C. Proteins D. All...

3. The test which is used for the identification of amino-acids is_________________?

   A. Ninhydrin test B. Molisch test C. Biuretic test D. Benedict test...

4. Essential amino acids are___________________?

   A. 5 B. 10 C. 15 D. 20...

5. Acidic amino acids have________________?

   A. 2 amino groups and 1 carboxylic group B. 1 amino and 1 carboxylic groups C. 2 carboxylic groups and 1 amino group D. 2 amino and 2 carboxylic groups...

6. Which one of the following acids is present in lemon juice ?

   A. Citric acid B. Benzoic acid C. Tartaric acid D. Oxalic acid...

7. The aliphatic monocarboxylic acids are obtained by the hydrolysis of________________?

   A. proteins and oild B. fats and proteins C. fats and oils D. all above...

8. The reaction of carboxylic acids with alcohols in presence of cone. H2SO4 is called _________________?

   A. esterification B. neutralization C. hydrolysis D. saponification...

9. The molar mass of an organic acids is determined by____________?

   A. Depression of freezing point B. Volumetric method C. Victor Meyer’s method D. Osmosis method Submitted by: Muhammad Ali Kunbhar...

10. Amino acids are a product of the digestion of: ___________?

    A. Carbohydrates B. Fats C. Proteins D. Vitamins Submitted by: Abdullah & Abdul Samad...