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Gelneren [198K]
3 years ago
8

When HBr combines with water, it produces H3O+ and Br- ions. This shows that HBr is a base. true false

Chemistry
2 answers:
ELEN [110]3 years ago
6 0
HBr is a strong acid

False
masha68 [24]3 years ago
6 0

Answer:

The given statement is false.

Explanation:

Hydrogen bromide when dissolves in water it gives hydronium ions and bromide ions.The hydronium ions is due to association of hydrogen ion with water molecule.This means that hydrogen bromide is an acid.

HBr+H_2O\rightarrow H_3O^++Br^-

Where as bases are those compounds which free hydroxide ion sin their aqueous solutions.

BOH\rightarrow B^++OH^

So, from this we concluded that HBr is not a base but an acid.

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Answer:

12.1% C, 16.1% O, 71.8% Cl

Explanation:

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6 0
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3 years ago
You are working in your laboratory and decide to do some cleaning. You find a test tube with some brown substance congealed at t
Anna [14]

Answer:

  • <em>The mystery substance is</em> <u>C. Bromine (Br) </u>

Explanation:

<em>Argon (Ar) </em>is a noble gas. Whose freezing point is -189 °C (very low), thus it cannot be the frozen substance. Also, it is not reactive, thus is would have not reacted with iron. Hence, argon is not the mystery substance.

<em>Scandium (Sc) </em>is a metal from group 3 of the periodic table, thus is will not react with iron. Thus, scandium is not the mystery substance.

Both <em>bromine</em> and <em>iodine</em> are halogens (group 17 of the periodic table).

The freezing point of bromine is −7.2 °C, ​and the freezing point of iodine is 113.7 °C. Thus, both could be solids (frozen) in the lab.

The reactivity of the halogens decrease from top to bottom inside the group. Bromine is above iodine. Then bromine is more reactive than iodine.

Bromine is reactive enough to react with iron. Iodine is not reactive enough to react with iron.

You can find in the internet that bromine vapour over hot iron reacts  producing iron(III) bromide. Also, that bromine vapors are red-brown.

Therefore, <em>the mystery substance is bromine (Br).</em>

7 0
3 years ago
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Answer:

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Explanation:

5 0
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Answer:

<em>T</em><em>r</em><em>u</em><em>e</em>

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8 0
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