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Varnika Dhiman
Subject: Chemistry
, asked on 11/3/18
Why the configuration is like this ?!..
First s should be filled and then d, and the electrons are shifted to d only when d is half-filled, then why these elements have such configuration. In Pd, s is empty.
Kindly explain for both kinds.
Answer
1
Kurian J
Subject: Chemistry
, asked on 10/3/18
What is the cumilative effect of lanthanoid contraction ?
Answer
1
Kurian J
Subject: Chemistry
, asked on 10/3/18
What is the difference in the oxidation dates of D and P block ?
Answer
1
Kurian J
Subject: Chemistry
, asked on 10/3/18
Explain the ionisation enthalpies of D block ??
Answer
2
Varnika Dhiman
Subject: Chemistry
, asked on 10/3/18
Kindly lemme know how should we explain this graph, in proper length and explanation, so as to write in board.
Answer
1
Prerna Varshney
Subject: Chemistry
, asked on 10/3/18
only justify that my answer is correct or not in regard of following question:?
copper has exceptionally positive E?o(M?2+/M+) Value . why ??
my ans (? Cu2+?is more stable due 3d10configuration )?
Don't give answer only tell me that my answer is correct or not
?
Answer
3
Godhuli Kundu
Subject: Chemistry
, asked on 10/3/18
Compare characteristics of d block elements & f blocks elements
Answer
1
Godhuli Kundu
Subject: Chemistry
, asked on 10/3/18
Compare the general characteristics of Actinoids & lanthanoids
Answer
1
Jeneeta Eliza John
Subject: Chemistry
, asked on 8/3/18
What does this statement mean "For the compounds of the first series of transition metals, the contribution of the orbital angular momentum is effectively quenched" How is it quenched?
Answer
3
Varnika Dhiman
Subject: Chemistry
, asked on 7/3/18
Why are Cr2+ reducing and Mn3+ oxidising when both have d4 configuration ?!.. [Checked previous merit answers for this but didn't get those. So no links plz. Hoping for a new n easy explanation.]
Answer
6
Chaitanya Kapoor
Subject: Chemistry
, asked on 25/2/18
Orange colour of cr2o7 2- ion.changes to yellow when treated with alkali why
Answer
1
Anushka Ranaut
Subject: Chemistry
, asked on 17/2/18
Why is zinc purified under distillation?
Answer
1
Ayesha Jahan
Subject: Chemistry
, asked on 2/2/18
How can we say that paramagnetism rises to maximum in neodymium?
Answer
1
Guna Shekar
Subject: Chemistry
, asked on 30/1/18
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Answer
1
Gayathri
Subject: Chemistry
, asked on 29/1/18
Is lanthanum(+3) compound colourless or coloured
Answer
2
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What are you looking for?
copper has exceptionally positive E?o(M?2+/M+) Value . why ??
my ans (? Cu2+?is more stable due 3d10configuration )?
Don't give answer only tell me that my answer is correct or not
?