CBSE Class 12 The p Block Elements Multiple Choice Questions with Answers. MCQ Questions Class 12 The p Block Elements with Answers Is Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 12 The p Block Elements MCQs with Answers to know their preparation level.
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MCQ Questions Class 12 The p Block Elements with Answers - Set - 1
Question 1:
Nitrogen is relatively inactive element because
(a) its atom has a stable electronic configuration
(b) it has low atomic radius
(c) its electronegativity is fairly high
(d) dissociation energy of its molecule is fairly high.
Correct Answer – (D)
Question 2 :
Which one has the lowest boiling point?
(a) NH3
(b) PH3
(c) AsH3
(d) SbH3
Correct Answer – (B)
Question 3 :
Among the following oxides, the lowest acidic is
(a) As4O6
(b) As4O10
(c) P4O6
(d) P4O10
Correct Answer – (A)
Question 4 :
Which of the following has the highest dipole moment?
(a) SbH3
(b) AsH3
(c) NH3
(d) PH3
Correct Answer – (C)
Question 5 :
Nitrogen forms N2, but phosphorus does not form P2, however, it converts P4, reason is
(a) triple bond present between phosphorus atom
(b) pp – pp bonding is weak
(c) pp – pp bonding is strong
(d) multiple bonds form easily.
Correct Answer – (B)
MCQ Questions Class 12 The p Block Elements with Answers
Question 6:
Number of electrons shared in the formation of nitrogen molecule is
(a) 6
(b) 10
(c) 2
(d) 8
Correct Answer – (A)
Question 7:
Which of the following fluorides does not exist?
(a) NF5
(b) PF5
(c) AsF5
(d) SbF5
Correct Answer – (A)
Question 8:
The basic character of hydrides of the V group elements decreases in the order
(a) NH3 > PH3 > AsH3 > SbH3
(b) SbH3 > AsH3 > PH3 > NH3
(c) SbH3 > PH3 > AsH3 > NH3
(d) NH3 > SbH3 > PH3 > AsH3
Correct Answer – (A)
Question 9:
Which of the following oxides is most acidic?
(a) As2O5
(b) P2O5
(c) N2O5
(d) Sb2O5
Correct Answer – (C)
Question 10:
In which of the following compounds, nitrogen exhibits highest oxidation state?
(a) N2H4
(b) NH3
(c) N3H
(d) NH2OH
Correct Answer – (C)
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