Question 1

In the thermite reaction,iron (III)oxide is the reducing agent.

Accepted Answer

A) True 
 B)False

Question 2

The products of the reaction of Al4C3(s)with water are

Accepted Answer

A) Al2O3(s)and CH4(g). 
B) Al(OH)3(s)and C2H2(g). 
C) Al(OH)3(s)and C2H4(g). 
D) Al2O3(s)and C2H2(g). 
E) Al(OH)3(s)and CH4(g). 
A) Al2O3(s)and CH4(g). 
B) Al(OH)3(s)and C2H2(g). 
C) Al(OH)3(s)and C2H4(g). 
D) Al2O3(s)and C2H2(g). 
E) Al(OH)3(s)and CH4(g).

Question 3

Phosphorous and phosphoric acids have

Accepted Answer

A) 1 and 0 hydrogens bonded to the phosphorus atom,respectively. 
B) 1 hydrogen bonded to the phosphorus atom. 
C) 3 hydrogens bonded to oxygen atoms. 
D) 2 and 0 hydrogens bonded to the phosphorus atom. 
E) 2 hydrogens bonded to the phosphorus atom. 
A) 1 and 0 hydrogens bonded to the phosphorus atom,respectively. 
B) 1 hydrogen bonded to the phosphorus atom. 
C) 3 hydrogens bonded to oxygen atoms. 
D) 2 and 0 hydrogens bonded to the phosphorus atom. 
E) 2 hydrogens bonded to the phosphorus atom.

Question 4

All of the following contain silicates in various forms except

Accepted Answer

A) asbestos. 
B) mica. 
C) talc. 
D) molecular sieves. 
E) alum. 
A) asbestos. 
B) mica. 
C) talc. 
D) molecular sieves. 
E) alum.

Question 5

Which of the substances below can be used to extinguish a magnesium fire?

Accepted Answer

A) Sand 
B) Carbon dioxide 
C) Nitrogen 
D) All of the substances listed react with burning magnesium. 
E) Water 
A) Sand 
B) Carbon dioxide 
C) Nitrogen 
D) All of the substances listed react with burning magnesium. 
E) Water

Question 6

The most stable form of phosphorus at 25S1U1P1$\circ$S1S1P0C and 1 atm is

Accepted Answer

A) P(s,red). 
B) P4O10(s). 
C) P2O3(s). 
D) P4(g). 
E) P(s,white). 
A) P(s,red). 
B) P4O10(s). 
C) P2O3(s). 
D) P4(g). 
E) P(s,white).

Question 7

Which of the following pairs of elements have similar polarizability?

Accepted Answer

A) Be and Al 
B) Li and Na 
C) B and Al 
D) Be and Mg 
E) Mg and B 
A) Be and Al 
B) Li and Na 
C) B and Al 
D) Be and Mg 
E) Mg and B

Question 8

What is the shape of ClF4+?

Accepted Answer

A) Seesaw 
B) T-shaped 
C) Trigonal bipyramidal 
D) Tetrahedral 
E) Square planar 
A) Seesaw 
B) T-shaped 
C) Trigonal bipyramidal 
D) Tetrahedral 
E) Square planar

Question 9

Which of the following is likely to dissolve to the greatest extent in liquid ammonia?

Accepted Answer

A) KCl 
B) MgCl2  
C) NaCl 
D) RbI 
E) LiF 
A) KCl 
B) MgCl2  
C) NaCl 
D) RbI 
E) LiF

In the thermite reaction,iron (III)oxide is the reducing agent.

The products of the reaction of Al₄C₃(s)with water are

Phosphorous and phosphoric acids have

All of the following contain silicates in various forms except

Which of the substances below can be used to extinguish a magnesium fire?

The most stable form of phosphorus at 25^$\circ$C and 1 atm is

Which of the following pairs of elements have similar polarizability?

What is the shape of ClF₄⁺?

Which of the following is likely to dissolve to the greatest extent in liquid ammonia?

The Quantum World

Quantum Mechanics in Action: Atoms

Chemical Bonds

Molecular Shape and Structure

The Properties of Gases

Liquids and Solids

Inorganic Materials

Thermodynamics: The First Law

Thermodynamics: The Second and Third Laws

Physical Equilibria

Chemical Equilibria

Acids and Bases

Aqueous Equilibria

Electrochemistry

Chemical Kinetics

The Elements: The D Block

Nuclear Chemistry

Organic Chemistry I

Organic Chemistry II

Filters

Exam 16: The Elements: the Main Group Elements

In the thermite reaction,iron (III)oxide is the reducing agent.

The products of the reaction of Al4C3(s)with water are

Phosphorous and phosphoric acids have

All of the following contain silicates in various forms except

Which of the substances below can be used to extinguish a magnesium fire?

The most stable form of phosphorus at 25 ∘\circ∘ C and 1 atm is

Which of the following pairs of elements have similar polarizability?

What is the shape of ClF4+?

Which of the following is likely to dissolve to the greatest extent in liquid ammonia?

The Quantum World

Quantum Mechanics in Action: Atoms

Chemical Bonds

Molecular Shape and Structure

The Properties of Gases

Liquids and Solids

Inorganic Materials

Thermodynamics: The First Law

Thermodynamics: The Second and Third Laws

Physical Equilibria

Chemical Equilibria

Acids and Bases

Aqueous Equilibria

Electrochemistry

Chemical Kinetics

The Elements: The D Block

Nuclear Chemistry

Organic Chemistry I

Organic Chemistry II

Filters

The products of the reaction of Al₄C₃(s)with water are

The most stable form of phosphorus at 25^$\circ$C and 1 atm is

What is the shape of ClF₄⁺?