Important Questions From P Block Elements Class 12 (Oxoacids of Halogens) are very important for NEET, JEE as well as AIIMS exam. These P Block Elements Class 12 Important Questions will help you to score more marks. These Important Questions From P Block Elements Class 12 (Oxoacids of Halogens) will be very useful for those students who are preparing with complete devotion and hard work.
Important Questions From P Block Elements Class 12 (Oxoacids of Halogens)
1. Which of the following is a hypohalous acid?
a) HOClO
b) HOBrO3
c) HOF
d) HOIO3
Answer: HOF
2. What is the bond angle of hypochlorous acid?
a) 108°
b) 108.5°
c) 109°
d) 109.5°
Answer: 109.5°
3. How many bonds does chlorine make with oxygen in perchloric acid?
a) 3 double bonds and a single bond
b) 7 single bonds
c) 2 single bonds and 2 double bonds
d) 3 single bonds and a double bond
Answer: 3 double bonds and a single bond
4. Which of the following shows the correct sequence of acidic strength?
a) HClO4 > HBrO4 > HIO4
b) HClO4 < HBrO4 < HIO4
c) HClO4 = HBrO4 > HIO4
d) HClO4 > HIO4 > HBrO4
Answer: HClO4 > HBrO4 > HIO4
5. Which the following is the correct order of oxidizing power of perhalates?
a) BrO4– < IO4– < ClO4–
b) IO4– > BrO4– > ClO4–
c) IO4– < BrO4– < ClO4–
d) BrO4– > IO4– > ClO4–
Answer: BrO4– > IO4– > ClO4–
6. Which of the following is the correct order of acidic strength?
a) HClO4 < HClO4 < HClO2
b) HClO4 = HClO3 = HClO2
c) HClO4> HClO3 > HClO2
d) HClO2 > HClO4 > HClO3
Answer: HClO4 < HClO4 < HClO2
7. The acidic strength of HClO4 is lesser than HClO.
a) False
b) True
Answer: False
8. Why does fluorine form only one oxoacid?
a) High electronegativity of fluorine
b) Large radius of fluorine
c) Presence of a single valence electron
d) High electropositivity of fluorine
Answer: High electronegativity of fluorine
9. All halogens form only one oxoacid due to their high electronegativity and small size.
a) True
b) False
Answer: False
10. Which of the following is not an oxoacid of chlorine?
a) HCl
b) HOCl
c) HOClO
d) HOClO2
Answer: HCl