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3 years ago

Where do we find the most abundant natural supply of Cl- ions

Chemistry

1 answer:

Mashcka [7]3 years ago

4 0

Answer:

Chlorine is found abundantly in earth crust and ocean.

Explanation:

The elements of group 17 are called halogens. These are six elements Fluorine, Chlorine, Bromine, Iodine, Astatine. Chlorine is one of them.

it is greenish-yellow irritating gas.

its melting point is 172.2 K

its boiling point is 238.6 K

It is present in earth crust and ocean abundantly.

In ocean chlorine is found in the form of salt sodium chloride.

About 1.9% mass of sea water consist of chlorine ions.

In earth crust it is present in minerals such as carnallite and sylvite.

it is disinfectant and can kill the bacteria.

it is also used in manufacturing of paper, paints and textile industries.

It is also reported that chlorine can effect the respiratory system, immune system and heart.

Up to some extent it can also effect the organism living in water.

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RUDIKE [14]

Hot-air balloons float because the air caught inside the balloon is heated up by a burner, making it less dense than the air outside. As the burner heats the air, it expands and some of the air escapes; that's what makes it less dense

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3 years ago

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Plz i wanna those answers click on the photo to see all the question they are 2 queastions part A and B

dezoksy [38]

Answer:

Turn paper Blue - these are alkaline/ base substances.

Toothpaste
Soap
Bleach

Turn paper Red - these substances are acidic in nature.

Lemon Juice
Vinegar
Cola drink

b. i. A wasp sting - Lemon juice

ii. A bee sting - Toothpaste

iii. A wasp sting is alkaline which means that running an acidic substance like lemon or lemon juice on it should neutralize it.

A bee sting is acidic so an alkaline substance such as toothpaste should neutralize it as well.

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3 years ago

Under standard-state conditions, which of the following species is the best reducing agent? a. Ag+ b. Pb c. H2 d. Ag e. Mg2+

eimsori [14]

Answer: The correct answer is Option b.

Explanation:

Reducing agents are defined as the agents which help the other substance to get reduced and itself gets oxidized. They undergo oxidation reaction.

$X\rightarrow X^{n+}+ne^-$

For determination of reducing agents, we will look at the oxidation potentials of the substance. Oxidation potentials can be determined by reversing the standard reduction potentials.

For the given options:

Option a: $Ag^+$

This ion cannot be further oxidized because +1 is the most stable oxidation state of silver.

Option b: $Pb$

This metal can easily get oxidized to $Pb^{2+}$ ion and the standard oxidation potential for this is 0.13 V

$Pb\rightarrow Pb^{2+}+2e^-;E^o_{(Pb/Pb^{2+})}=+0.13V$

Option c: $H_2$

This metal can easily get oxidized to $H^{+}$ ion and the standard oxidation potential for this is 0.0 V

$H_2\rightarrow 2H^++2e^-;E^o_{(H_2/H^{+})}=0.0V$

Option d: $Ag$

This metal can easily get oxidized to $Ag^{+}$ ion and the standard oxidation potential for this is -0.80 V

$Ag\rightarrow Ag^{+}+e^-;E^o_{(Ag/Ag^{+})}=-0.80V$

Option e: $Mg^{2+}$

This ion cannot be further oxidized because +2 is the most stable oxidation state of magnesium.

By looking at the standard oxidation potential of the substances, the substance having highest positive $E^o$ potential will always get oxidized and will undergo oxidation reaction. Thus, considered as strong reducing agent.

From the above values, the correct answer is Option b.

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ddd [48]

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SashulF [63]

A.
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