IIT JEE : Aldehydes And Ketones QUESTIONS AND ANSWERS :: part1 : 16 to 20
Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :
16.Trimer of formaldehyde is known as |
| metaformaldehyde |
| trioxymethylene |
| trioxane |
| All the above |
17.Ethylidene chloride is hydrolysed with aqueous NaOH. The product formed is |
| Ethanol |
| Ethylchloride |
| Ethanal |
| Ehtane. |
18.A mixture of acetic acid and formic acid is passed over MnO at 303 degreeCentigrade. The product obtained is |
| benzaldehyde |
| acetaldehyde |
| methane |
| All the above |
19.Methyl cyanide is dissolved in ethyl formate and reduced with stannous chloride and hydrochloric acid. The product is then steam distilled. The distillate will be |
| ethyl amine |
| formaldehyde |
| methyl alcohol |
| acetaldehyde |
20.Which of the following is obtained from pyryligenenous acid? |
| Benzaldehyde |
| Acetaldehyde |
| Formaldehyde |
| Acetone |
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