HARD
Earn 100

Compare the bond angles in NH3 and H3O+

50% studentsanswered this correctly

Important Questions on Chemical Bonding and Molecular Structure

EASY
The intermolecular potential energy for the moleculesA ,B , C and D given below suggests that:
Question Image
MEDIUM
Which of the following set of molecules will have zero dipole moment?
EASY

How many ions of the following have a bond order of  2.5 ? 

N2-;NO-;C2-;N2+;C22-;CN+

EASY
The dipole moments of CCl4,CHCl3 and CH4 are in the order
MEDIUM
Average bond enthalpy of water is 464·5kJ mol-1. If the energy required to break first O-H bond is 502kJ mol-1, how much energy per mol is required to break second O-H bond ?
MEDIUM
The compound that has the largest HMH bond angle (M = N, O, S, C), is :
MEDIUM
Dipole moment order of which of the following pairs of molecules is not conect?
MEDIUM
Which of the following possess net dipole moment?
EASY
The number of π -bonds and σ -bonds present in naphthalene are respectively
EASY
Bond lengths (in pm) of C-H, C-C, C=C and CC bonds, respectively are:
EASY
Which of the following molecules has the maximum dipole moment?
MEDIUM

The bond lengths (in pm) of C-C, CC and C=C are:

EASY
Which of the following molecules has permanent dipole moment?
MEDIUM
In which of the following the C-H bond distance is the longest?
MEDIUM
Pick the INCORRECT statement among those given below
EASY
If the dipole moment of toluene and nitro-benzene are 0.43 D and 3.93 D, then what is the expected dipole moment of p-nitro toluene ?
EASY
Arrange the following compounds in increasing order of C-OH bond length: methanol, phenol, p -ethoxyphenol
MEDIUM
Maximum bond angle at nitrogen is present in which of the following?