Haloalkanes and Haloarenes — Chemistry STD 12 Science — Question

In a reaction the energy of a sufficient number of molecules colliding is more than the threshold energy, yet the rate of the reaction is low, why?

Write equations showing the products formed when dichromate ion is reacted with hyrogen peroxide.

Write reactions of the final alkylation product of aniline with excess of methyl iodide in the presence of sodium carbonate solution.

Account for the following:
Noble gases have comparatively large atomic sizes.

Write the structures of the following organic halogen compound.
p-Bromochlorobenzene.

Why iodoform has appreciable antiseptic property?

Write the order of boiling point of primary secondary and tertiary amines of equal molecular masses.