The carbon-carbon bond length in benzene is
If the dipole moments of toluene and nitrobenzene are 0.43 D and 3.93 D then what is the expected dipole moment of p-nitrotoluene?
A element M has an atomic mass 19 and atomic number 9. Its ion is represented by
The hybridisation of Ag in the linear complex [Ag(NH₃)₂]⁺ is
For melting of a solid at 25oC ,the fusion process requires energy equivalent to 2906 Joules to be added to system considering the process to be reversible at fusion point ,the entropy change of the process is
The rms velocity of an ideal gas at 27oC is 0.3 ms⁻1. Its rms velocity at 927oC (in ms⁻1) is
The above reaction is an example of
In the following, electrophile is:
HO ― NO2
Acetanilide on nitration followed by alkaline hydrolysis mainly gives
In acidic medium, one mole of MnO₄— accepts how many moles of electrons in a redox process ?
When 10 g of 90% pure limestone is heated completely, the volume (in litres) of carbon dioxide liberated at STP is