Deck 12 (221 - 240) Flashcards
1
Q
- Bonds between atoms of metal are generally …
A
metallic
2
Q
- PIC
A
3
Q
- Cations have a —— charge and are —— than the atoms from which they are formed:
a. positive/smaller
b. negative/smaller
c. negative/larger
d. positive/latger
A
positive/smaller
4
Q
- The common name for the following compound HOOC-COOH is:
a. acetic acid
b. butyric acid
c. oxalic acid
d. succinic acid
A
oxalic acid
5
Q
- What is the total number of pi bonds found in 1,3-butadiene ?
A
2
6
Q
- According to the modern periodic table law, the chemical properties of the elements are periodic function of their ?
A
atomic numbers
7
Q
- Identify the reactants for the product CH3CH2CH2OCOCH3:
a.CH3CH2COOH and CH3CH2OH
b. CH3COOH and CH3CH2OH
c. CH3COOH and CH3CH2CH2OH
d. CH3CH2COOH and CH3CH2CH2OH
A
CH3COOH and CH3CH2CH2OH
8
Q
- In a Bronsted-Lowry acid-base reaction, what are transferred from one reactant to another?
A
H+ ions
9
Q
- PIC
A
10
Q
- A positively charged ion is called a ?
A
cation
11
Q
- PIC
A
12
Q
- The melting of ice is a:
a. chemical change
b. physical change
c. heterogenous mixture
d. compound
A
physical change
13
Q
- What volume in dm3 of hydrogen would be required to react exactly with 120 dm3 nitrogen to obtain ammonia from its elements in the gas phase?
A
360 dm3
14
Q
- PIC
A
15
Q
- A substance that contains hydrogen and produces H+ ions in aqueous solution is an ?
A
acid
