List-I | List-II | ||
| (A) | NH3 | (I) | Trigonal Pyramidal |
| (B) | BrF5 | (II) | Square Planar |
| (C) | XeF4 | (III) | Octahedral |
| (D) | SF6 | (IV) | Square Pyramidal |
Step 1: Analyze the Geometry of Each Compound
Step 2: Match the Compounds with the Correct Geometry
Step 3: Conclusion
The correct match is:
A-I, B-IV, C-II, D-III

1 gram of sodium hydroxide was treated with 25 ml. of 0.75 M HCI solution, the mass of sodium hydroxide left unreacted is equal to :
Given below are two statements:
Statement I: Transfer RNAs and ribosomal RNA do not interact with mRNA.
Statement II: RNA interference (RNAi) takes place in all eukaryotic organisms as a method of cellular defence.
In the light of the above statements, choose the most appropriate answer from the options given below: