विषयों
अध्याय
विषयों
मुख्य विषय
अध्याय
Advertisements
Advertisements
Chemistry
Draw the structure of XeF4.
Chapter: [7] P - Block Elements
Concept: undefined >> undefined
Concept: undefined >> undefined
Which of the following fluorides does not exist?
Chapter: [7] P - Block Elements
Concept: undefined >> undefined
Concept: undefined >> undefined
Advertisements
Partial hydrolysis of XeF4 gives ____________.
Chapter: [7] P - Block Elements
Concept: undefined >> undefined
Concept: undefined >> undefined
Helium is preferred to be used in balloons instead of hydrogen because it is ____________.
Chapter: [7] P - Block Elements
Concept: undefined >> undefined
Concept: undefined >> undefined
In which of the following pairs, the two species are isostructural:
Chapter: [7] P - Block Elements
Concept: undefined >> undefined
Concept: undefined >> undefined
Which of the following reactions is an example of redox reaction?
Chapter: [7] P - Block Elements
Concept: undefined >> undefined
Concept: undefined >> undefined
Match the compounds given in Column I with the hybridisation and shape given in Column II and mark the correct option.
| Column I | Column II |
| (A) XeF6 | (1) sp3d3 – distorted octahedral |
| (B) XeO3 | (2) sp3d2 – square planar |
| (C) XeOF4 | (3) sp3 – pyramidal |
| (D) XeF4 | (4) sp3d2 – square pyramidal |
Chapter: [7] P - Block Elements
Concept: undefined >> undefined
Concept: undefined >> undefined
Substance having the lowest boiling point ______.
Chapter: [7] P - Block Elements
Concept: undefined >> undefined
Concept: undefined >> undefined
On partial hydrolysis, XeF6 gives ______.
Chapter: [7] P - Block Elements
Concept: undefined >> undefined
Concept: undefined >> undefined
Account for the following :
Although Fluorine has less negative electron gain enthalpy yet F2 is a strong oxidizing agent.
Chapter: [7] P - Block Elements
Concept: undefined >> undefined
Concept: undefined >> undefined
What is the basicity of H3PO4 ?
Chapter: [7] P - Block Elements
Concept: undefined >> undefined
Concept: undefined >> undefined
