19. The product obtained when silica reacts with hydrogen fluoride is (2018A] (A) SIF (C)H SIF (D) H SIF (B) H,SIF 6

The final product formed when silica reacts with hydrogen fluoride is

Which acid is formed when SiF_4 reacts with water.

The compound formed when ethene reacts with hydrogen is _____ (CH_4 , C_2H_6, C_3H_8)

Which acid is formed when SiF_(4) reacts with water?

What is the covalency of silicon in H_(2)SiF_(6) ?

Which of the following acid is formed when SiF_(4) reacts with water ?

When D reacts with C_(2)H_(5)OH then product will be :

The correct order of hybridisation of the central atom in the following species NF_(3),BF_(3),PF_(5) and [SiF_(6)]^(2-) is :