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  1. >>Class 11
  2. >>Chemistry
  3. >>Some p-Block Elements
Tricky questions
5 min read

Some P-Block Elements

- Some questions are often misinterpreted by students. Here are a few.
1
Many of the times we give wrong answers while completing the reaction. Let's do this question to be confident.
(chromite) is converted to by following steps:

Chromite

and are:
A
; ;
B
; ;
C
; ;
D
; ;
2
The concept of bridge bond is important and there are many questions asked related to structure of diborane and we get confused in them. Practice the following question.
Which is/are correct for structure ?
A
It has terminal bonds and two 3C-2e bonds
B
It has terminal bonds and two 3C-2e bonds
C
It has terminal bonds and two 3C-2e bonds
D
It has ionic interaction between and
3
Sometimes we tend to commit mistake while finding the bond angles. Let's practice these questions to avoid mistakes.
Compare and bond angle from the above given molecule.
A
B
C
D
None of these
Compare x, y, z bond angle from the above given molecules:
A
B
C
D
4
There are many methods to prepare/isolate boron, student can easily get the question wrong when multiple answers are given. Here's a question to try out.
Boron can be obtained by various methods but not by:
A
thermal decomposition of
B
pyrolysis of (van Arkel)
C
reducing with
D
electrolysis of fused
5
Questions related to structure of silicates can be confusing as there are many structures. Let's attempt this question to not get our question wrong.
Which one of the following anions are present in the chain structure of the silicates?
A
B
C
D