SF P2 42

1>A,B
2>C
3>D
4>B

shouldnt 4. be A)

these kinda questions are very confusing...they shud specify whether they are asking the hybridisation of only the central element or the hybridisations of all the elements in that compound...
1 borax..it contains 2 sp² hybridised boron and 2 sp³ hybridised boron and oxygen is sp³ hybridised..

2 PCl₅ solid....(the word solid here means u have to consider it's lattice..[PCl₄]⁺ tetrahedral and [PCl₆]^- octahedral....

3 H₄IO₆^- contains sp³d² hybridised I and sp³ hybridised O

4. N₃P₃Cl₆ contains sp² hybridised N and sp³ hybridised P

1→ A,B
2→ B,D
3→ B,D
4→ A,B

Ya Actually even I made a mistake and gave an answer like Avinav's & was wondering about the ans given

Thanks Govind