7929

Chemistry Inorganic Chemistry Level: Misc Level

The rate determining step in a reaction is

a)the one with the highest activation energy

b) the one with the lowest activation energy.

c)thermodynamically favorable d)the fastest step.


7928

Chemistry Inorganic Chemistry Level: Misc Level

If a molecule is levorotatory,

it rotates plane polarized light in the counterclockwise direction.

It rotates plane polarized light in the clockwise direction.

it is optically inactive.

none of the above


7904

Chemistry Inorganic Chemistry Level: Misc Level

A product of this acid-base reaction is; OH+ NH4+ --> ------ + NH3

NOH

H2O

NH5


7888

Chemistry Inorganic Chemistry Level: Misc Level

The nitronium ion,NO2+,is produced when nitric acid is mixed with sulfuric acid. Write a balanced equation for this reaction.


7870

Chemistry Inorganic Chemistry Level: Misc Level

How many unpaired electrons are there for Cr (#24)?


7869

Chemistry Inorganic Chemistry Level: Misc Level

Write the electronic configuration according to the general rules in the objective for Gd (#64).


6209

Chemistry Inorganic Chemistry Level: Misc Level

 According to VSEPR theory, which of the following shapes is possible for a molecule with he molecular of AB2?

a. linear

b. bent

c.trigonal planar

d. both(a)&(b)


6208

Chemistry Inorganic Chemistry Level: Misc Level

Name the following compound (NH4)3PO4

a.Ammonium Phosphite

b. Tri-ammonium Phospho tetraoxide

c. Ammonium Tri-phosphide

d.Ammonium Phosphate


6207

Chemistry Inorganic Chemistry Level: Misc Level

Name the following compound (NH4)3PO4

a.Ammonium Phosphite

b. Tri-ammonium Phospho tetraoxide

c. Ammonium Tri-phosphide

d.Ammonium Phosphate


6206

Chemistry Inorganic Chemistry Level: Misc Level

Which of the following molecules would most likely be classified as a tetrahedral shape?

a. HCI

b. CO

c. C4H8

d. CH4


6205

Chemistry Inorganic Chemistry Level: Misc Level

To draw a Lewis structure, you DO NOT need to know

a. the number of valence electrons for each atom

b. the types of atoms in the molecule

c. the number of atoms in the molecule

d. bond energies


6204

Chemistry Inorganic Chemistry Level: Misc Level

One can predict the shape of a molecule by drawing its Lewis structure and 

a. balancing the oxidatin numbers

b. accounting for nonbonded pairs of valence electrons

c. determing the empirical formula

d. identifying the presence of polyatomic ions


6203

Chemistry Inorganic Chemistry Level: Misc Level

According to the VSEPR theory the molecular shape of CO2, carbon dioxide,is classified as 

a.linear

b.bent

c. trigonal planar

d. trigonal pyramidal


6202

Chemistry Inorganic Chemistry Level: Misc Level

The two suffixes that indicate the presence of oxygen in a polyatomic ion are

a.-ite &- ide

b. - ite & -ide

c. -ate &- ide

d.- thio &- penta


6201

Chemistry Inorganic Chemistry Level: Misc Level

The lewis structure for methane, CH4, has 

a. 2 double bonds

b. 1 triple bond

c. 4 single bonds

d. 2 single bonds & 2 double bonds


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