All Practice Exams
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Chemistry
P-block Elements
13 questions · Click an option and press Check Answer to reveal the result
1
A
Both (A) and (R) are true and (R) is the correct explanation of (A)
B
Both (A) and (R) are true but (R) is not the correct explanation of (A)
C
(A) is true but (R) is false
D
Both (A) and (R) are false
2
A
B
C
D
3
A
B
C
D
4
A
Both Statement I and Statement II are false
B
Both Statement I and Statement II are true
C
Statement I is false but Statement II is true
D
Statement I is true but Statement II is false
5
A
B
C
D
6
A
B
C
D
7
A
B
C
D
8
A
B
C
D
9
A
Chloride
B
Carbonate
C
Oxalate
D
Phosphate
10
The incorrect match regarding oxoacids of sulphur and their respective bonds is
A
Sulphurous acid – One S=O bond and two S–OH bonds
B
Peroxodisulphuric acid – Three S=O bonds and two S–OH bonds
C
Pyrosulphuric acid – Four S=O bonds and two S–OH bonds
D
Sulphuric acid – Two S=O bonds and two S–OH bonds
11
A
B
C
D
12
A
B
C
D
13
The most common oxidation state(s) shown by elements of 15th group of periodic table is/are :
A
–3
B
–3, +5
C
+3, +5
D
–3, +3, +5