question_answer

  (i) Metal fluorides are more ionic in nature than metal chlorides. Explain. (ii) In group 15 the bond angle H - M - H decreases in the following order  

Answer:

  (i)   (ii) is less stable than the  therefore white phosphorus is more reactive than the red phosphorus. (iii)  bleaches by oxidation while  does it by reduction. The reduced product gets oxidised again by air and the colour restores. (iv) Nitric oxide when released in air combines with oxygen to form nitrogen dioxide (v) Phosphorous pent chloride is a salt containing the tetrahedral cat ion and the octahedral anion therefore it is ionic in solid state. (vi) Ammonia can donate a pair of electrons.