Chemical Bonding and Molecular Structure questions
1784 published questions with worked solutions.
- In the following the correct bond order sequence is:
- Identify the species having one -bond and maximum number of canonical forms from the following:
- The bond order and magnetic behaviour of O_2^- ion are, respectively :
- The Born-Haber cycle for KCl is evaluated with the following data: _fH^- for KCl = –436.7 kJ mol^ -1 , _ sub H^- for K = 89.2 kJ...
- In 1 C H_2= 2 C = 3 C H- 4 C H_3 molecule, the hybridization of carbon 1,2,3 and 4 respectively are
- Match List-I with List-II. List-I (Molecule): (a) Ne_2 (b) N_2 (c) F_2 (d) O_2 List-II (Bond order): (i) 1 (ii) 2 (iii) 0 (iv) 3...
- Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R. Assertion A :...
- Given below are two statements: Statement I : o-Nitrophenol is steam volatile due to intramolecular hydrogen bonding. Statement...
- Match List-I with List-II : List-I: (A) [PtCl_ 4 ]^ 2- (B) BrF_ 5 (C) PCl_ 5 (D) [Co(NH_ 3 )_ 6 ]^ 3+ List-II: (I) sp^ 3 d (II)...
- The correct order of bond orders of C_ 2 ^ 2- , N_ 2 ^ 2- , O_ 2 ^ 2- is respectively
- Match List-I with List-II : List-I (Molecule): (a) XeO_ 3 (b) XeF_ 2 (c) XeOF_ 4 (d) XeF_ 6 List-II (Hybridization, shape): (I)...
- Among the following species N_ 2 , N_ 2 ^ + , N_ 2 ^ - , N_ 2 ^ 2- , O_ 2 , O_ 2 ^ + , O_ 2 ^ - , O_ 2 ^ 2- the number of species...
- The number of sp^ 3 hybridised carbons in an acyclic neutral compound with molecular formula C_ 4 H_ 5 N is _____ .
- Amongst BeF_ 2 , BF_ 3 , H_ 2 O, NH_ 3 , CCl_ 4 and HCl, the number of molecules with non-zero net dipole moment is _____
- Bonding in which of the following diatomic molecule(s) become(s) stronger, on the basis of MO Theory, by removal of an electron?...
- Number of electron deficient molecules among the following : PH_ 3 , B_ 2 H_ 6 , CCl_ 4 , NH_ 3 , LiH and BCl_ 3 is -
- Arrange the following in increasing order of their covalent character. a. CaF_ 2 b. CaCl_ 2 c. CaBr_ 2 d. CaI_ 2 Choose the...
- Match List-I with List-II. List-I (Compound): (A) BrF_ 5 (B) [CrF_ 6 ]^ 3- (C) O_ 3 (D) PCl_ 5 List-II (Shape): (I) bent (II)...
- Amongst SF_ 4 , XeF_ 4 , CF_ 4 and H_ 2 O, the number of species with two lone pair of electrons is _____.
- Consider the ions/molecules O_ 2 ^ + , O_ 2 , O_ 2 ^ - , O_ 2 ^ 2- . For increasing bond order the correct option is:
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