Why pyridine does not exhibits resonance? Pyridine is a hetero cyclic aromatic compound. It has three alternating double bond.  ...

Why phenol or benzenol is acidic ? Oxygen is more electronegative than hydrogen element . So, O – H bond of phenol is polar . Besides t...

Why is pyridine more basic than pyrrole ? The strength of basicity depends on the tendency to donate an electron to the electron def...

Why C – O bond length in phenol is less than methanol ? In case o f phenol, the lone pair on oxygen atom takes part in resonance ...

Why is chlorine, ortho and  para directing  in spite of deactivating group ? Most of the reaction of chloro benzene [such as nitrati...

Why the nucleophilic substitution reaction of 1-chloro-2,4,6-trinitro benzene occurs very easily? 1-chloro-2,4,6-trinitro benzene cont...

Why methyl chloride (CH 3 Cl) is inactive in SN 1 reaction ? The SN 1 reaction occurs in two step . First step is the slow ionizatio...

What is Borodine Hunsdiecker reaction ? When the silver salt of carboxylic acid is treated with bromine molecule in the presence of CC...

Why alkyl iodides are purple in the presence of sunlight ? The C –I bond in alkyl iodide compound is larger than the other carbon –...

Calculate the number of unpaired electrons and LFSE of [ Fe ( H 2 O) 6 ] +3 ion . The IUPAC   name of the above complex ion is hexaaq...

Why most of the transition metals are used as catalysts ? According to the modern theory of catalysis , a catalytic substance is capab...

Why  the colour of trans [ Co (en) 2   F 2 ] + is less intense than that of cis [ Co (en) 2   F 2 ] + ? In the given two complexes...