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Coupling reaction - Miscellaneous reactions
Phenol couples along with benzene diazonium chloride in existence of an alkaline solution to make a red dye (p-hydroxy azobenzene).
Phenol couples with phthalic anhydride in existence of concentrated to make a dye, (phenolphthalein) used as an indicator.
When an electron jumps from lower to higher orbit, its energy : (1) Increases (2) Decreases (3) Remains the same (4) None of these Ans: Increases
Differentiate soft magnetic material from hard magnetic material in respect of hysteresis losses, eddy current losses and domain wall motion with appropriate examples and plots.
What is Dielectric loss These losses occur because of electrons hopping from one lattice site to another in transition metal oxides.
disadvantages of sludge formation
reaction of bisulphite with acid chlorides
The triene contains two diene units with one double bond common to both. The dienophile reacts with the diene unit that is locked in an s-cis conformation.
Draw C5H10O2 that has the following 1H NMR spectrum: 1.15 (t, 3 H), 1.25 (t, 3 H), 2.33 (q, 2 H), 4.13 (q, 2 H).
Q. What is basic need of SI Units? Ans: The Importance of Units Units give numbers a particular meaning. Example: I am 5 feet 10 inches tall. Feet and inches are units. I co
define ostwals dilution law
I HAVE TO PREPARE A ASSIGNMENT ON LIQUID CRYSTAL. AND I WANT TO MAKE IT DIFFERENT FROM OTHER, ACTUALLY I GOT THE MATTER FROM OUR BOOK BUT OUR TEACHER SAID THAT YOU DON''T HAVE TO C
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