a.arulkashmir


{ City } madurai
< Country > india
* Profession * project assistant
User No # 51125
Total Questions Posted # 5
Total Answers Posted # 4

Total Answers Posted for My Questions # 6
Total Views for My Questions # 20092

Users Marked my Answers as Correct # 19
Users Marked my Answers as Wrong # 14
Questions / { a.arulkashmir }
Questions Answers Category Views Company eMail

why the second and third row transition metal containing d8 configuration, always fonming square planar complexes

 1 Inorganic Chemistry 5709

why cis-platin is used as the anti tumer drug?

 1 Inorganic Chemistry 3414

what is the different between order and molecularity of the reaction?

 1 Inorganic Chemistry 3345

hydrolysis of sucrose follows which order?

 1 Inorganic Chemistry 3720

what is the basics of electronic spectroscopy?

 2 Inorganic Chemistry 3904



Answers / { a.arulkashmir }

Question { 6706 }

How chromium hydroxide shows amphoteric character?


Answer

DUE TO HYDROGEN BONDING, ALL THE HYDROGENS ARE BONDED
WEAKLY WITH THE NEIGHBOURING HYDROGEN... SO THERE IS NO
FREE HYDROGEN ATOM TO BECOME AN ACID,DUE TO HIGHER
OXIDATION STATE OF CHROMIUM,IT IS NOT EASY TO GIVE HYDROXYL
IONS FOR BEHAVING AS BASE... SO ONLY CHROMIUM HYDROXIDE ACT
AS AMPHOTERIC

Is This Answer Correct ?    5 Yes 1 No

Question { 3641 }

what is the structure of sodium fluoride?


Answer

LINEAR

Is This Answer Correct ?    0 Yes 1 No


Question { 9585 }

Out of (CH3)3C- and (CH3)2CH- carboanion, which is more stable
and why?


Answer

due o hyper cohjucation effect the three methyl groups are
stabilizes the tertiary carbo cation

Is This Answer Correct ?    8 Yes 11 No

Question { 5147 }

why we have to use sulphuric acid and nitric acid in heavy
metals test procedure


Answer

SULPHURIC AND NITRI ACIDS ARE DISOLVES METALS AND GIVES
NITRATE AND SUPHATES OF METALS RESPECTIVELY.THESE METAL
SULPHATE AND NITRATES ARE MORE STABLE DUE TO HIGH LATTICE
ENERGY.... SO ONLY WE CHOOSE THESE ACIDS FOR DISSOLVING
METALS

Is This Answer Correct ?    6 Yes 1 No