Mathematics of Dipole Moment
Trending Questions
Q. 43. The total number of electrons in 2.0 g of D2O to that in 1.8 g of H2O?
Q. 43.Calculate number of atoms of each type in 6.84g of sucrose (c12h22o11).
Q.
67.THE RATIO OF E2-E1 AND E4-E3 FOR THE HYDROGEN ATOM IS APPROXIMATELY EQUAL TO
(A)10
(B)15
(C)17
(D)12.
Q. NAME OF
HC triple bond C-CH=CH-CH3
Q. Maximum number of atoms are present in(1) 2 g atom Fe(3) 16 g CH4(2) 2 g molecule H2O (4) 10 L H2O
Q. If the bond length and dipole moment of a diatomic molecule are 1.25 Å and 1.0 D respectively, what is the percent ionic character of the bond?
Q.
The dipole moment of H2O is 1.84D. The bond angle in H2O is 104.50. The bond moment of O - H bond is (cos 52.250 = 0.61)
1.23D
1.508D
1.642D
2.45D
Q. 49. No. Of electron in 180mg of glucose is
Q.
Calculate % ionic character in HCl.
[bond length = 1.275 0A μobserved = 1.03 D]
Q. 16. How to find chiral centre in cyclic compounds?
Q. Find the number of hydrogen atom in CH4?
Q. 24. write the order of relative reactivities of following acyl compounds towards nucleophilic substitution with reasons acyl chloride , acid anhydride , ester, amide?
Q. Which of the following set of molecules will have zero dipole moment?
(NEET 2020)
(NEET 2020)
Q.
I > II > III > IV
II > I > III > IV
II > III > I > IV
II > I > III > IV
Q. NAME OF
HC triple bond C-CH=CH-CH3
Q. How many stereoisomers are possible for 1, 2, 3, 4, 5 pentamethyl cyclohexane ?
Q. In given molecules, strongest van der waal bond exists in:
hcl
N2
H2
O2
Q. number of structyral isomerspossible in C3H6
Q. A diatomic molecule has dipole moment of 1.2 D. If the bond distance is 1.0 0A, what fraction of charge e exists on each atom?
1
0.5
0.25
0.125
Q. 25. describe the formation of HC (ethyne) molecule with respect to covalent bond?
Q. 6. Which is the better nuclephile? Ch3- f- Nh2- oh-
Q. 2, 3-dimethyl-2butene + Li/liq. NH3 gives
Q. 29.In a reaction of C6H5Y with an electrophile, the major product(60%) is m-isomer, the group Y is 1.-cl 2.-CH 3.-NH2 4-COOH
Q. 39. when ammonia (NH3) is trated with HCI H-N-H bond angle increases or decreases? how to find
Q.
Why is the bond angle of H2 O greater than that of H2S?
Q. Arrange the following.
(i) CaH2, BeH2 and TiH2 in order of increasing electrical conductance.
(ii) LiH, NaH and CsH in order of increasing ionic character.
(iii) H−H, D−D and F−F in order of increasing bond dissociation enthalpy.
(iv) NaH, MgH2 and H2O in order of increasing reducing property.
(ii) LiH, NaH and CsH in order of increasing ionic character.
(iii) H−H, D−D and F−F in order of increasing bond dissociation enthalpy.
(iv) NaH, MgH2 and H2O in order of increasing reducing property.
Q. Mg and Li are similar in their properties due to:
- Same e /m ratio
- Same electron affinity
- Same group
- Same polarising powder
Q. Ortho-chloro phenol is less polar than O-fluoro phenol. Why?
- Intra molecular H-bonding
- Inter molecular Hydrogen bonding
- Size of Cl as compared to size of F
- Cl is a gas
Q. 3. The total number of electrons in 1.6 g of CH, tothat in 1.8 g of H2O(1) Double(2) Same(3) Triple(4) One fourth
Q. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->
Which pair of elements has maximum electronegativity difference?
AIIMS 2019
AIIMS 2019
- Na and F
- Li and F
- Na and Cl
- Na and Br
