1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
nikklg [1K]
3 years ago
15

State what would be observed when the following pairs of reagents are mixed in a test tube.

Chemistry
1 answer:
Mandarinka [93]3 years ago
4 0

Answer:

(i). C6H2COOH and Na2CO3(aq)

observation: <u>Bubbles</u><u> </u><u>of</u><u> </u><u>a</u><u> </u><u>colourless</u><u> </u><u>gas</u><u> </u><u>(</u><u>carbon</u><u> </u><u>dioxide</u><u> </u><u>gas</u><u>)</u>

(ii) CH3CH2CH2OH and KMnO4 /H

observation: <u>The</u><u> </u><u>orange</u><u> </u><u>solution</u><u> </u><u>turns</u><u> </u><u>green</u><u>.</u>

[<em>This</em><em> </em><em>is</em><em> </em><em>because</em><em> </em><em>oxidation</em><em> </em><em>of</em><em> </em><em>propanol</em><em> </em><em>to</em><em> </em><em>propanoic</em><em> </em><em>acid</em><em> </em><em>occurs</em>]

(iii) CH3CH2OH and CH3COOH + conc. H2SO4

observation: <u>A</u><u> </u><u>sweet</u><u> </u><u>fruity</u><u> </u><u>smell</u><u> </u><u>is</u><u> </u><u>formed</u><u>.</u>

[<em>This</em><em> </em><em>is</em><em> </em><em>because</em><em> </em><em>an</em><em> </em><em>ester</em><em>,</em><em> </em><em>diethylether</em><em> </em><em>is</em><em> </em><em>formed</em><em>]</em>

(iv) CH3CH = CHCH3 and Br2 /H2O

observation: <u>a</u><u> </u><u>brown</u><u> </u><u>solution</u><u> </u><u>is</u><u> </u><u>formed</u><u>.</u>

You might be interested in
When you heat water, more sugar can be dissolved in it.
mr Goodwill [35]
I think it can be dissolved but if u keep adding more sugar it will stop dissolving
5 0
3 years ago
To learn more about the genetic material of plant and animal cells, where would a person look?
Agata [3.3K]
The person would look B) in the nucleus.

Hope this helps!

-Payshence xoxo
6 0
3 years ago
You are part of a team of scientists and engineers in charge of launching a new spacecraft to venus. What are two ways in which
kap26 [50]

Answer: A barrier should be created to overcome the atmosphere of the Venus, while launching spacecraft to Venus.

Explanation:

The atmosphere of Venus consists of 96.5% carbon dioxide, other composition includes nitrogen and other gases in trace amounts. The large amount of carbon dioxide in the atmosphere can extinguish the missile of the launcher of spacecraft thus it will become difficult in launch of spacecraft to the Venus.

8 0
3 years ago
What do you think of my lab report so far?
8090 [49]
Fix ur transition, it sounds choppy

5 0
3 years ago
Read 2 more answers
The atmosphere we live in is about 5-9 miles thick, depending on where you are on Earth. It is a mixture of 78% nitrogen, 21% ox
vova2212 [387]

Answerino by Duderino:

The troposphere

3 0
2 years ago
Other questions:
  • Why does 5060 have three significant figures?
    11·1 answer
  • A sample of nitrogen gas, n2, is collected in a100 ml container at a pressure of 688 mm hg and a temperature of 565 °c. how many
    12·2 answers
  • How many moles of HCl are present in 40.0 mL of a 0.035 M solution? 1. 0.0014 mol 2. 0.0060 mol 3. 0.25 mol?
    11·1 answer
  • What volume of 12 M HCl solution is needed to make 2.5 L of 1.0 M HCI?
    7·1 answer
  • Help in number 10 please
    13·2 answers
  • Why do nonmetals tend to gain electrons to form negative ions?
    8·1 answer
  • The first periodic table was organized according to atomic mass, but the current periodic table is arranged according to atomic
    11·1 answer
  • The radius of an atom of gold (Au) is about 1.35 Å. How many gold atoms would have to be lined up to span 5.0 mm ?
    13·2 answers
  • How many g are equal to 345.7mg?
    15·2 answers
  • For a science experiment Marcia dissolved 1.0 kilogram of salt in 3.0 liters of water. For a different experiment, Bobby dissolv
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!