P - Block Elements Test

Result

P - Block Elements Test - 126

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Weekly Quiz Competition

Question 1
4 / -1

In KI solution I₂ readily dissolves & forms

A
I^–

B
KI₂

C

D
KI₃

Solution
Question 2
4 / -1

When Cl is passed over dry slaked lime at room temperature, main reaction product is,

A

B

C

D

Solution
Question 3
4 / -1

A
Cl₂

B
Conc. HCl

C
HBr

D
H₂S

Solution
Question 4
4 / -1

Which reaction can't be used for production of halogen acid.

A

B

C

D

Solution
Question 5
4 / -1

When cold NaOH reacts with Cl₂ it forms

A
NaClO

B
NaClO₂

C
NaClO₃

D
None

Solution
Question 6
4 / -1

Which one is anhydride of HClO₄

A
Cl₂O

B
ClO₂

C
Cl₂O₆

D
Cl₂O₇

Solution
Question 7
4 / -1

In dark, which of following reacts with Hydrogen?

A
Br₂

B
F₂

C
I₂

D
Cl₂

Solution
Question 8
4 / -1

Electrolysis of a liquid resulted in formation of Hydrogen at cathode & Cl₂ at anode. Liquid is

A
Pure water

B
H₂SO₄ Solution

C
NaCl Solution

D
CaCl₂ Solution

Solution
Question 9
4 / -1

Concentrated HNO₃ reacts with I₂ to give

A
HI

B
HOI

C
HOIO₂

D
HOIO₃

Solution
Question 10
4 / -1

Manufacture of Bromine from sea water, the mother liquor containing bromides is treated with

A
CO₂

B
Cl₂

C
I₂

D
SO₂

Solution