How many following statement(s) is/are correct.
a) White phosphorous is insoluble in both water &CS₂
b) Red phosphorous is soluble in water but insoluble in CS₂
c) Ignition temperature of white phosphorous is more than red phosphorous that is why white phosphorous glow in dark.
d) $\beta$ – black phosphorous is prepared by heating of white phosphorous at 473K.
e) $\alpha$ – black phosphorous is formed when red phosphorous is heated in sealed tube at 803K.
f) Red phosphorous does not react with caustic alkali.