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Which of the following pair is expected to exhibit the same colour in solution?
The hybridisation of orbitals of N atoms in NO−3, NO+2 and NH+4 are respectively-
The sp3d2 hybridisation of central atom of a molecule would lead to
The first ionisation energies in eV/atome of magnesium and aluminium are respectively given by which of the following?
A graph plotted between log k versus 1/T for calculating activation energy is shown by:
Toluene reacts, with excess of Cl2 in presence of sunlight to give a product, which on hydrolysis followed by reaction with NaOH gives
Which of the aldehyde is most reactive?
The degree of dissociation (α) of a weak electrolyte AxBy is related to Van't Hoff factor (i)i by the expression
Which one of the following is the structure of polyacrylonitrile?
Lead in water can cause
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