State Fajan’s rules. Explain all the rules with suitable examples.
Fajans' rules
- High charge and small size of the cation. Ionic potential Å Z+/r+ (= polarizing power)
- High charge and large size of the anion. The polarizability of an anion is related to _______ ___ ____ ________ ______ ____ ____ ______ ________ _____ ________ __________.
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Write the possible conformations of butane. Arrange these conformations in the increasing order of their stability giving reasons.
Explain Markovnikoff’s rule giving suitable examples.
Write the possible conformations of butane. Arrange these conformations in the increasing order of their stability giving reasons.
Draw the cis- and trans- forms of 1, 3-dimethylcyclobutane. Which one of these
(i) will be polar in nature?
(ii) has higher melting point?
Explain your answer giving reasons
Write the values of four quantum numbers for the electrons present in the following orbitals.
(i) 2p (ii ) 3d (iii) 4f
Give reason for the following:
(i) Ethanoic acid is more acidic than ethanol.
(ii) Aniline is less basic than ammonia.