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qaws [65]
3 years ago
8

Iodine and strontium are reacted together. explain why it is more difficult to predict whether this reaction is more or less rea

ctive than the reaction of bromine and strontium
Chemistry
1 answer:
Juli2301 [7.4K]3 years ago
8 0

<u>Answer: </u>The reaction between iodine and strontium is less reactive than the reaction of bromine and strontium.

<u>Explanation:</u>

Iodine and bromine belong to the same group which is Group 17 of the periodic table. Iodine lies in Period 5 and bromine lies in Period 4.

Reactivity of non-metals is defined as the tendency of the elements to gain electrons easily. This depends on the electronegativity values. More the electronegativity, more will be the reactivity and vice-versa.

Reactivity of non-metals decreases from moving down the group and increases across the period.

The electronegativity of iodine is less than bromine. Hence, it is less reactive than the bromine.

The reaction between strontium and bromine is more favorable because it is the reaction between two reactive elements.

Hence, the reaction between iodine and strontium is less reactive than the reaction of bromine and strontium.

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Hello there!

Electronegativity is what determine's an atoms ability to attract electrons shared in a chemical bond.Ionization, atomic radius, and also <span> ionic radius both would not determine this as they wouldn't have any similar bond that would attract.
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Your correct answer would be (option c)

</span><span>A. ionization 

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4 years ago
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3 years ago
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A reaction was suppose to produce 20 L of gas. Only 12 litters of gas were produced in the lab. What is the percent yield for th
pogonyaev

Answer:

\boxed {\boxed {\sf 60 \%}}

Explanation:

Percent yield is a ratio of the actual yield to the theoretical yield. It is found using this formula:

\% \ yield= \frac {actual \ yield}{theoretical \  yield} *100

The actual yield is 12 liters, because that was actually produced in the lab.

The theoretical yield is 20 liters, because that was the expected yield.

\% \ yield= \frac {12 \ L}{20\ L} *100

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3 years ago
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4 years ago
Select the keyword or phrase that will best complete each sentence.
pishuonlain [190]

Answer:

1) acetylide

2) enol

3) aldehydes

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Explanation:

Acetylide anions (R-C≡C^-) is a strong nucleophile. Being a strong nucleophile, we can use it to open up an epoxide ring by SN2 mechanism. The attack of the acetylide ion occurs from the backside of the epoxide ring. It must attack at the less substituted side of the epoxide.

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