Organic Chemistry - Study Mode
[#76] In a compound the elements are always present in definite proportions by
Correct Answer
(A) mass
[#77] The boiling point of ethanol is-
Correct Answer
(D) 78°C
[#78] To weld metals together, high temperature required such a high temperature is obtained by burning
Correct Answer
(A) acetylene in oxygen
[#79] Arrange the following compounds in increasing order according to the length of their carbon bond: Ethine, Ethyne, Ethane,
Correct Answer
(C) Ethine, Ethyne, Ethane
[#80] Which of the following compounds has a double bond?
Correct Answer
(B) ethene