Product formed when 2-pentyne reacts with ozone in the absence of Zinc is __________?

Related Mcqs:

1. Ozone hole is substantial depletion of ozone in every year during__________________?

   A. Aug – Nov B. Sep – Nov C. Nov – Dec D. Dec – Jan...

2. Which one of the following alcohols will be formed when ethyl magnesium bromide reacts with acetone ?

   A. primary alcohol B. secondary alcohol C. tertiary alcohol D. dihydric alcohol...

3. Ozone is formed in the upper layer of the atmosphere from oxygen by action of:____________?

   A. Free radicals B. Cosmic rays C. Nitrogen oxides  D. UV -rays Submitted by: Said wali shah...

4. Deuterium reacts with oxygen to form________________?

   A. Hard water B. Heavy water C. Soft water D. Water gas...

5. Carboxylic acid reacts with ammonia to form ammonium salts which on heating produces_______________?

   A. CO2 B. Alkane C. Ester D. Acidamide...

6. Acetone reacts with HCN to form a cyanohydrin. It is an example of________________?

   A. electronphilic addition B. electrophilic substitution C. nucleophilic addition D. nucleophilic substitution...

7. Which one of the following alkali metals forms only normal oxide when it reacts with O2 ?

   A. Lithium B. Sodium C. Potassium D. Rubidium...

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

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

9. SO2 reacts with Cl in sunlight to form__________?

   A. Sulphur dioxide B. Sulphuryl chloride C. Suphanyl chloride D. All of the above Submitted by: Muhammad Ali Kunbhar...

10. O3 reacts with CH2CH2 to form ozonide. On hydrolysis it forms

    A. Ethylene oxide B. HCHO C. Ethylene glycol D. Ethyl alcohol Submitted by: Aamir khan Hullio...