Chemical Bonding and Molecular Structure questions
1784 published questions with worked solutions.
- The bond angle in H_2S (for H–S–H) is:
- The hydrogen bonding is strongest in:
- The molecules having dipole moment are:
- The number of and bonds in pent-4-en-1-yne (HC C-CH_2-CH=CH_2) respectively are:
- The correct order of increasing bond angles in the following species is:
- Which hybridization results in non-polar orbitals?
- Based on VSEPR theory, number of 90 degree F–Br–F angles in BrF_5 is ..........
- The total number of lone-pairs of electrons in melamine is **[JEE Advanced 2013]**
- A list of species having the formula XZ_4 is given below: XeF_4, SF_4, SiF_4, BF_4^-, BrF_4^-, [Cu(NH_3)_4]^ 2+ , [FeCl_4]^ 2- ,...
- Among the triatomic molecules/ions BeCl_2, N_3^-, N_2O, NO_2^+, O_3, SCl_2, ICl_2^-, I_3^-, and XeF_2, the total number of linear...
- Based on VSEPR theory, the number of 90° F–Br–F angles in BrF_5 is **[JEE Advanced 2010]**
- The sum of the number of lone pairs of electrons on each central atom in the following species is [TeBr_6]^ 2- , [BrF_2]^+, SNF_3...
- Among H_2, He_2^+, Li_2, Be_2, C_2, N_2, O_2^- and F_2, the number of diamagnetic species is (atomic numbers: H=1, He=2, Li=3,...
- The atomic number of an element is 14. The number of dots to be drawn in its Lewis symbol is ________.
- The total number of lone pairs of electrons in the I_3^- ion is _________
- How many of the following compound(s) contain(s) no covalent bond(s)? KCl, KCN, PH_3, O_2, B_2H_6, CO_2, H_2SO_4
- The bond order of O_2 molecule on the basis of molecular orbital theory is _______.
- As per molecular orbital theory, bond order of Li_2 is x and bond order of Li_2^- is y. The value of (x-y) is ________.
- How many of the following ions have bond order of 2.5? N_2^-, NO^-, O_2^-, N_2^+, C_2^ 2- , CN^+
- The number of electrons in ^* molecular orbitals in the O_2^ 2- ion on the basis of molecular orbital theory is ________.
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