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Kingsmen
Subject: Chemistry
, asked on 13/3/18
Q.20. Which of the following is a polar molecule?
(1)
S
F
4
(2)
S
i
F
4
(3)
X
e
F
4
(4)
B
F
3
Answer
3
Hemantkumar Gidewar
Subject: Chemistry
, asked on 9/12/16
Which among P-O ,S-O,Cl-O bond length is greater..
Does it vary from compound to compound.
Answer
1
Rgb
Subject: Chemistry
, asked on 26/10/16
The smallest size of cation and anion that can exist are respectively
A)H+ and H-
B)H+ and F-
C)Li+ and F-
D)Li+ and H-
Answer
5
Pranav
Subject: Chemistry
, asked on 15/1/16
why is MgCl2 more soluble in water than AlCl3
Answer
3
Kingsmen
Subject: Chemistry
, asked on 13/3/18
Which one of the following compounds shown the presence of intramolecular hydrogen bond?
(1) H
2
O
2
(2) HCN (3) Cellulose (4) Concentrated acetic acid
Answer
1
Hemantkumar Gidewar
Subject: Chemistry
, asked on 9/12/16
Is AlCl3 more soluble in water than NaCl ?
If so why.
Should we compare the solubility on basis of covalent character, or lattice energy, or hydration energy?
Answer
1
Atiyya
Subject: Chemistry
, asked on 17/12/16
draw lewis dot structure for HCOOH
Answer
2
Atharva Koli
Subject: Chemistry
, asked on 26/8/17
The electronegativity of cesium is 0.7 and that of fluorine is 4.0 The bond formed between the two is:
1) covalent
2) electrovalent / ionic
3) coordinate
4) metallic
Answer
1
Hemantkumar Gidewar
Subject: Chemistry
, asked on 17/12/16
Which atom of P more electronegative, that in PCl3 or that in PCl5? Please explain.
Answer
1
Hemantkumar Gidewar
Subject: Chemistry
, asked on 19/11/16
Why BF3 if more covalent than BI3 though l atom is larger than F atom?
Answer
3
Claire
Subject: Chemistry
, asked on 20/3/18
The s-character in the hybrid orbital of the central atom,present in a molecule having the shape of an octahedron is
a.25%
b.75%
c.40%
d.16.66%
Answer
3
Ddffd
Subject: Chemistry
, asked on 6/12/15
A bond with maximum covalent character between non metallic elements is found between
a) atoms of same size
b) chemically similar atoms
c) identical atoms
d) atoms of widely differingelectronegativity
Answer
1
Arvind Rathore
Subject: Chemistry
, asked on 26/9/14
what are the factors that affect polarisation
Answer
0
Piyush
Subject: Chemistry
, asked on 28/11/17
If the c-h bond length in ch4 is x angstrom the distance between 2 hydrogen atom will be
Answer
2
Nikita
Subject: Chemistry
, asked on 14/1/19
Why PH
3, H
2
S, H
2
Se, H
2
Te, AsH
3
do not undergo hybridization ?
Answer
1
1
2
3
4
Next
What are you looking for?
(1)
(2)
(3)
(4)
Does it vary from compound to compound.
A)H+ and H-
B)H+ and F-
C)Li+ and F-
D)Li+ and H-
(1) H2O2 (2) HCN (3) Cellulose (4) Concentrated acetic acid
If so why.
Should we compare the solubility on basis of covalent character, or lattice energy, or hydration energy?
1) covalent
2) electrovalent / ionic
3) coordinate
4) metallic
a.25%
b.75%
c.40%
d.16.66%
a) atoms of same size
b) chemically similar atoms
c) identical atoms
d) atoms of widely differingelectronegativity
what are the factors that affect polarisation