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Yashi Mishra
Subject: Chemistry
, asked on 14/3/18
Correct answer is 3. Explain why with all the steps
3.
Which of the following is paramagnetic?
1
C
2
2
-
2
Na
2
O
2
3
NO
2
4
CO
Answer
2
Yashi Mishra
Subject: Chemistry
, asked on 10/3/18
Explain with all steps
The correct order of C — O bond order among CO, CO
2
2
-
is C0
2
is
1) co < CO
3
2
-
< C0
2
(2)CO
3
2
< C0
2
< co
(3) co < C0
2
< CO
3
2
-
(4) C0
2
< CO
3
2-
< co
Answer
1
Yashi Mishra
Subject: Chemistry
, asked on 10/3/18
Why O2+ has very strong o-o bond
Answer
1
Yashi Mishra
Subject: Chemistry
, asked on 10/3/18
Bond ange of scl2 and pcl3
Answer
1
Yashi Mishra
Subject: Chemistry
, asked on 10/3/18
Bond order of C2 2- ion
Answer
1
Yashi Mishra
Subject: Chemistry
, asked on 7/3/18
Correct answer is 2. Show the steps how it is done
Q.
The formula of the compound is A
2
B
5
. The number of electrons in the outermost orbits of A and B respectively are
(1) 6 and 3 (2) 5 and 6
(3) 5 and 2 (4) 2 and 3
Answer
1
Yashi Mishra
Subject: Chemistry
, asked on 7/3/18
Correct answer is 1. Show the steps how is it done
Element A has 3 electrons in the outermost orbit and element B has 6 electrons in the outermost orbit. The
formula of the compound formed A and B would be
(1) A
2
B
3
(2) A
2
B
6
(3) A
2
B (4) A
3
B
2
Answer
1
Yashi Mishra
Subject: Chemistry
, asked on 7/3/18
Why Na has very strong tendency to form electrovalent bond
Answer
1
Tejas Singh
Subject: Chemistry
, asked on 6/3/18
Solve this:
Q. Identify the conjugate acids and bases in the following equation
NH
3
+ H
2
O
⇌
H
4
+
+ OH¯
A
(H
2
O, OH¯ ) and ( N
H
2
+
, NH
3
)
B (H
2
O, OH¯ ) and (N
H
4
+
, NH
H
2
2
¯
)
C (H
2
O,OH ) and (NH
3
, NH
4
)
D ( H
2
O
4
,OH¯) and (N
H
4
+
, NH
3
)
Answer
1
Souhardya Mazumdar
Subject: Chemistry
, asked on 6/3/18
Show the chemical structure of
2,2- diethylbutane dial
Answer
1
Isha Dixit
Subject: Chemistry
, asked on 5/3/18
discuss the shape of the following molecules using the VESPR model:-
1) BF
3
2) [P
+
Cl
4
]2-
3)[Co(NH
3
)
6
]
3+
4)[Ni(CN)
4
]
2-
Answer
1
Shreya Choudhary
Subject: Chemistry
, asked on 1/3/18
Explain the reason for e and d
Answer
1
Shreya Choudhary
Subject: Chemistry
, asked on 1/3/18
Q). Which one is most volatile?
a. ortho-nitro phenol
b. Para-nitro phenol
c. Meta-nitro phenol
Answer
3
Vriddhi Kuls
Subject: Chemistry
, asked on 28/2/18
How to draw the Lewis dot structure of NO2^-
Answer
1
Pragnil Savjani
Subject: Chemistry
, asked on 25/2/18
explain the following-KOH is more basic than NaOH,
BeSO4 is water soluble,
TlCl3+ is less stable than TlCl,
SnCl2 is more stable than SnCl4, PbCl2 is more stable than PbCl4
Answer
1
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What are you looking for?
3. Which of the following is paramagnetic?
The correct order of C — O bond order among CO, CO22- is C02 is
1) co < CO32- < C02
(2)CO32 < C02 < co
(3) co < C02 < CO32-
(4) C02 < CO32- < co
Q. The formula of the compound is A2B5. The number of electrons in the outermost orbits of A and B respectively are
(1) 6 and 3 (2) 5 and 6
(3) 5 and 2 (4) 2 and 3
Element A has 3 electrons in the outermost orbit and element B has 6 electrons in the outermost orbit. The
formula of the compound formed A and B would be
(1) A2B3 (2) A2B6
(3) A2B (4) A3B2
Q. Identify the conjugate acids and bases in the following equation
NH3 + H2O + OH¯
A (H2O, OH¯ ) and ( N , NH3 )
B (H2O, OH¯ ) and (N , NH)
C (H2O,OH ) and (NH3, NH4)
D ( H2O4,OH¯) and (N , NH3)
2,2- diethylbutane dial
1) BF3
2) [P+Cl4]2-
3)[Co(NH3)6]3+
4)[Ni(CN)4]2-
a. ortho-nitro phenol
b. Para-nitro phenol
c. Meta-nitro phenol
BeSO4 is water soluble,
TlCl3+ is less stable than TlCl,
SnCl2 is more stable than SnCl4, PbCl2 is more stable than PbCl4