Outline the reaction sequence of the conversion of ethene to ethyne (the number of steps should not be more than two).

Outline the reaction sequence for the conversion of methanal to ethanal (the number of steps should not be more than three).

Show steps for the conversion of ethene to divinyl ether.

The group of letters should not contain more than two vowels.

The article should not exceed more than hundred words.

Assertion : To hear distinct be beats, difference in frequencies of two sources should be less than 10. Reason : More the number of beats // sec., more is the confusion.

Write the reaction and state the conditions for each of the following conversions : (i) Ethene to ethanol (ii) Ethanol to propan-2-ol