Pankaj Singh asked April 7, 2018, 1:35 p.m.User Level 0 likes | 0 answers
This is due to presence of partial double bond character between Cl and benzene ring in case of aryl halides which makes it difficult to substitute the Cl atom and thus decreases its reactivity for nucleophilic substitution reaction.
Pankaj Singh asked April 7, 2018, 1:42 p.m.User Level 0 likes | 0 answers
Iodination reactions are reversible in nature. To carry out the reaction in the forward direction, HI formed during iodination is removed by oxidation. HIO4 is used as an oxidising agent.
What is the range of frequencies for the audio and speech signals?
Ankur Singh asked on Dec. 14, 2018, 11:49 a.m. | 0 Views | 0 Likes
.In the presence of a catalyst, the activation energy of a reaction is lowered by 2 kcal at 27°C. By what factor the rate of reaction will increase ?
Priyanka Gupta asked on Dec. 9, 2018, 5:07 p.m. | 0 Views | 0 Likes
Why standard heat of formation of diamond is not zero though it is an element?
Priyanka Gupta asked on Dec. 9, 2018, 4:49 p.m. | 0 Views | 0 Likes
What happens when a ferromagnetic substance is heated to high temperature?
Yogita Singh asked on Dec. 7, 2018, 12:23 p.m. | 0 Views | 0 Likes
Which is a stronger reducing agent Cr2+ and Fe2+ and why?
Yogita Singh asked on Dec. 7, 2018, 12:22 p.m. | 0 Views | 0 Likes