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Gayathri
Subject: Chemistry
, asked on 29/1/18
Is Ln(3+) compounds coloured or colourless
Answer
2
Shivam Sharma
Subject: Chemistry
, asked on 28/1/18
why d subshell has poor screening effect
Answer
2
Aashish Rohilla
Subject: Chemistry
, asked on 27/1/18
Solve this:
Q.(a). Arrange the following in increasing order of Acidic character.
M
n
O
2
,
M
n
2
O
7
,
M
n
O
.
(b) What happens when
K
M
n
O
4
is heated ? Give chemical equation.
(c) What are non-stoichiometric oxides ? Give one example.
Answer
1
Aashish Rohilla
Subject: Chemistry
, asked on 27/1/18
which is the strongest reducing agent among hydrogen halide and why?
Answer
1
Aashish Rohilla
Subject: Chemistry
, asked on 27/1/18
1 MnO4- + H2O + 3e gives
2 MnO4- + H+ +5e gives
Answer
1
Sandra Saju
Subject: Chemistry
, asked on 20/1/18
Write any two chacateristics of interstitial compounds.
Answer
1
Shubhrajyoti Ghosh
Subject: Chemistry
, asked on 13/1/18
No links please
Qb) What happens when KMnO
4
reacts with concentrated HCl ?
Answer
1
Shubhrajyoti Ghosh
Subject: Chemistry
, asked on 13/1/18
Q. Which of the d-block elements are not considered as transition elements?
Answer
3
Archana
Subject: Chemistry
, asked on 11/1/18
what is meant by d-d transition ?
Answer
2
Archana
Subject: Chemistry
, asked on 11/1/18
The d
1
configuration is very unstable in ions. Why?
Answer
2
Archana
Subject: Chemistry
, asked on 10/1/18
WHat is the atomic number of Sc and Sc
+3
?
what is the difference btw Sc and Sc
+3
...write their electronic configuration?
Answer
1
Dipesh Malhotra
Subject: Chemistry
, asked on 9/1/18
Compare transition and non- transition elements on the basis of different oxidation states
Answer
1
Archana
Subject: Chemistry
, asked on 7/1/18
Draw the crystal field energy level diagram and predict the umber of unpaired electrons in [Fe(H
2
O)
6
]
2+
Answer
1
Aarathy.ajith
Subject: Chemistry
, asked on 6/1/18
Why do d block elements form coordination compound?
Answer
3
Prerna Varshney
Subject: Chemistry
, asked on 3/1/18
Q. State the reason for the following unlike
C
r
3
+
,
M
n
2
+
,
F
e
3
+
and the subsequent other
M
2
+
of the 3D series of the element the 4D and 5D series metal generally do not form stable cationic species .
Answer
1
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What are you looking for?
Q.(a). Arrange the following in increasing order of Acidic character.
.
(b) What happens when is heated ? Give chemical equation.
(c) What are non-stoichiometric oxides ? Give one example.
2 MnO4- + H+ +5e gives
Qb) What happens when KMnO4 reacts with concentrated HCl ?
what is the difference btw Sc and Sc+3...write their electronic configuration?