Every question from past board papers on Valence bond theory, hybridization (s, p, d), resonance, newest paper first. Open any question for its full worked answer.
Match List I with List II.
List I (Molecule): A. ethane B. ethene C. carbon molecule, \(C_2\) D. ethyne
List II (Number and types of bond/s between two carbon atoms): I. one \(\sigma\)-bond and two \(\pi\)-bonds II. two \(\pi\)-bonds III. one \(\sigma\)-bond IV. one \(\sigma\)-bond and one \(\pi\)-bond
Choose the correct answer from the options given below:
Identify the correct answer.
The number of \(\sigma\) bonds, \(\pi\) bonds and lone pair of electrons in pyridine, respectively are :
\(BF_3\) is planar and electron deficient compound. Hybridization and number of electrons around the central atom, respectively are :
Match the compounds given in column I with the hybridisation and shape given in column II and mark the correct option.
Column I: (a) \(XeF_6\); (b) \(XeO_3\); (c) \(XeOF_4\); (d) \(XeF_4\)
Column II: (i) distorted octahedral; (ii) square planar; (iii) pyramidal; (iv) square pyramidal
Code: (a) (b) (c) (d)
The hybridizations of atomic orbitals of nitrogen in \(NO_2^+\), \(NO_3^-\) and \(NH_4^+\) respectively are
Among the following, which one is a wrong statement?
