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
masha68 [24]
3 years ago
8

An unknown compound was found to be soluble in concentrated sulfuric acid; however, the 2,4-DNP, chromic acid, and potassium per

manganate gave negative results. The only positive result detected was the ferrous hydroxide test. What is the most likely functional group present in such compound
Chemistry
1 answer:
Alecsey [184]3 years ago
5 0

Explanation:

2,4-DNP is negative: aldehyde and ketone absent

Chromic acid is negative: alcohol absent.

KMnO4 test negative: alkene absent

The only positive result is for Fe(OH)2.

Nitro group-containing compounds react with ferrous hydroxide to give amine and ferric hydroxide red ppt. Hence given compound contains the nitro group (-NO2).

You might be interested in
Hot water is poured into four cups made of different materials (foam, glass, metal, plastic).After one minute, which will feel t
Marta_Voda [28]
The answer to this is metal
6 0
3 years ago
Read 2 more answers
CAN SOMEONE REWRITE/SHORTEN THIS FOR ME PLEASE? I'LL GIVE BRAINLIEST
Alex17521 [72]

Answer:

Here you go! 50% of your writing piece

Explanation:

Foods produced from or using GM organisms are often referred to as GM foods.

GM foods are developed and marketed because there is some advantage either to the producer or consumer of these GM foods. GM seed developers wanted their products to be accepted by producers and have concentrated on innovations that bring direct benefit to farmers and generally the food industry.

One objective for developing plants based on GM organisms is to improve crop protection. The GM crops currently on the market are mainly aimed at an increased level of crop protection through the introduction of resistance against plant diseases caused by insects or viruses or through increased tolerance towards herbicides.

Resistance against insects is achieved by incorporating into the food plant the gene for toxin production from the bacterium Bacillus thuringiensis. GM crops that inherently produce this toxin have been shown to require lower quantities of insecticides in specific situations, where pest pressure is high.

7 0
4 years ago
What is water oxidation number
-Dominant- [34]

Answer:

The formula for water is . The oxidation number of hydrogen is +1. Since there are two of them, the hydrogen atoms contribute to a charge of +2. The water molecule is neutral; therefore, the oxygen must have an oxidation number of to balance the charge.

6 0
3 years ago
1.) Which line is pointing to the axon terminals?
Naily [24]

Answer:

1.) 5 or D

2.) 2 or B

3.) 4 or D

4.) 1 or A

Explanation:

I got them correct on the quiz on edge

4 0
2 years ago
If the mass of a box is 140 g, and the volume is 8 cm3, then the density of the box = ? socratic.org
Ksivusya [100]

Answer:

17.5 g/cm³

Explanation:

We can solve this particular problem by keeping in mind the <em>definition of density</em>:

  • Density = mass / volume

As the problem gives us both <em>the mass and the volume</em> of the box, we can now proceed to <u>calculate the density</u>:

  • Density = 140 g / 8 cm³
  • Density = 17.5 g/cm³

The density of the box is 17.5 g/cm³.

4 0
3 years ago
Other questions:
  • Why is burning fossil fuels negative
    7·1 answer
  • If the reaction shown below is exothermic, the energy level of the reactants is ________. h2 + o2 → 2h2o
    9·1 answer
  • Suppose you have a solution that is either an acid or a base. It doesn’t react with any metals. Is the pH of the solution more l
    11·1 answer
  • It
    9·1 answer
  • What is the mass of one mole of S8?​
    8·1 answer
  • BRAINLIESTTT ASAP!!! PLEASE HELP ME :)
    8·2 answers
  • The sugar deoxyribose is an important component of DNA. Deoxyribose is 44.8% 7.5% H, and 47.7% O by mass. What is the empirical
    5·1 answer
  • What is defined as the ability to do work or to cause changes in matter?
    12·1 answer
  • How does the reactivity of nonmetals change as you move from left to right across the periodic table?
    15·1 answer
  • After writing and balancing the equation, what's the next step in using bond energies to calculate the enthalpy of a reaction? Q
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!