Hydrogen Test

Result

Hydrogen Test - 13

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Weekly Quiz Competition

Question 1
4 / -1

Nascent hydrogen consists of

A
Hydrogen atoms with excess of energy

B
Hydrogen molecules with excess energy

C
Hydrogen ions in excited state

D
Solvated protons
Question 2
4 / -1

An aqueous solution of hydrogen peroxide is

A
Alkaline

B
Neutral

C
Strongly acidic

D
Weakly acidic
Question 3
4 / -1

The strongest base is

A
NH₃

B
PH₃

C
AsH₃

D
SbH₃
Question 4
4 / -1

When zeolite, which is hydrated sodium aluminium silicate, is treated with hard water the sodium ions are exchanged with

A
H⁺ ions

B
Ca²⁺ ions

C
OH^- ions

D

Solution
Question 5
4 / -1

Which of the following oxides is a peroxide ?

A
Na₂O₂

B
MnO₂

C
BaO

D
SO₂
Question 6
4 / -1

D₂O will have maximum density at

A
9ºC

B
11.5ºC

C
15.9ºC

D
20ºC
Question 7
4 / -1

When H₂O₂ is oxidised the product is

A
OH^–

B
O₂

C
O^2–

D
Question 8
4 / -1

Which of the following statements is not correct?

A
H₂O₂ oxidizes Fe (II) to Fe (III)

B
H₂O₂ can be obtained by electrolysis of dil. H₂SO₄

C
H₂O₂ reduces Mn (VII) to Mn (II)

D
H₂O₂ is a weak base
Question 9
4 / -1

The volume strength of 1.5 N H₂O₂ solution is

A
4.8

B
8.4

C
3.0

D
8.0
Question 10
4 / -1

Hydrogen peroxide molecules are

A

B

C
Diatomic and form X^- ions

D
Monoatomic and form X^- ions

Solution

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Hydrogen Test - 13

Result

Hydrogen Test - 13

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Question 1

Hydrogen atoms with excess of energy

Hydrogen molecules with excess energy

Hydrogen ions in excited state

Solvated protons

Question 2

Alkaline

Neutral

Strongly acidic

Weakly acidic

Question 3

NH3

PH3

AsH3

SbH3

Question 4

H+ ions

Ca2+ ions

OH- ions

Solution

Question 5

Na2O2

MnO2

BaO

SO2

Question 6

9ºC

11.5ºC

15.9ºC

20ºC

Question 7

OH–

O2

O2–

Question 8

H2O2 oxidizes Fe (II) to Fe (III)

H2O2 can be obtained by electrolysis of dil. H2SO4

H2O2 reduces Mn (VII) to Mn (II)

H2O2 is a weak base

Question 9

4.8

8.4

3.0

8.0

Question 10

Diatomic and form X- ions

Monoatomic and form X- ions

Solution

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NH₃

PH₃

AsH₃

SbH₃

H⁺ ions

Ca²⁺ ions

OH^- ions

Na₂O₂

MnO₂

SO₂

OH^–

O₂

O^2–

H₂O₂ oxidizes Fe (II) to Fe (III)

H₂O₂ can be obtained by electrolysis of dil. H₂SO₄

H₂O₂ reduces Mn (VII) to Mn (II)

H₂O₂ is a weak base

Diatomic and form X^- ions

Monoatomic and form X^- ions