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Chapter 10 Multiple Choice Questions
Return to Inorganic Chemistry 7e student resources
Chapter 10 Multiple Choice Questions
Hydrogen
Quiz Content
*
not completed
.
How are the E-H bond strengths changing in s- and p-block?
The E-H bond strengths increase down each group in s- and p-block.
correct
incorrect
The E-H bond strengths decrease down each group in s- and p-block.
correct
incorrect
The E-H bond strengths remain almost constant down each group in s- and p-block.
correct
incorrect
*
not completed
.
In the coal gasification reaction, water vapour is allowed to react with __________ to produce hydrogen on a large scale:
CH
4
correct
incorrect
C
correct
incorrect
CO
correct
incorrect
*
not completed
.
The reasons for the relatively low reactivity of H
2
are:
high bond enthalpy, high activation energy
correct
incorrect
high bond enthalpy, low activation energy
correct
incorrect
low bond enthalpy, low activation energy
correct
incorrect
*
not completed
.
Identify the
incorrect
statement:
Molecular hydrogen is activated by dissociation on a metal surface or formation of a metal complex.
correct
incorrect
Reactions between hydrogen and oxygen or halogens are typically free radical chain reactions.
correct
incorrect
Reactions involving hydrogen are rapid under ordinary conditions.
correct
incorrect
*
not completed
.
Hydrogen forms ___________ with the great majority of elements from groups 13–17.
molecular hydrides
correct
incorrect
metallic hydrides
correct
incorrect
saline hydrides
correct
incorrect
*
not completed
.
What are the products formed when a saline hydride (such as NaH) reacts with water?
metal oxide and hydrogen gas
correct
incorrect
metal hydroxide and oxygen gas
correct
incorrect
metal hydroxide and hydrogen gas
correct
incorrect
*
not completed
.
Hydrogen forms metallic hydrides with elements from groups:
13–17
correct
incorrect
3, 4, 5
correct
incorrect
1 and 2
correct
incorrect
*
not completed
.
The following is not an example of the hydrogen bond:
B–H–B
correct
incorrect
N–H
N
correct
incorrect
O–H
O
correct
incorrect
*
not completed
.
Binary hydrogen compounds can be synthesized by all of the following reactions except:
direct combination of hydrogen with an element
correct
incorrect
metathesis of a halide (or a pseudohalide) with a hydride
correct
incorrect
an acid/base reaction between water and a Brønsted-Lowry acid
correct
incorrect
*
not completed
.
What are the characteristics of H
–
as a ligand in d-block complexes?
H
–
is a very polarizable, soft, two-electron σ donor ligand.
correct
incorrect
H
–
has a high polarization power; it is soft, two-electron σ donor ligand
correct
incorrect
H
–
is a mildly polarizable, hard, two-electron π donor ligand.
correct
incorrect
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