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mafiozo [28]
3 years ago
7

Which of the following characteristics is not a property of an acid? Has a sour taste Accepts an H+ ion in reaction May cause da

mage to buildings, statues, and rivers Increases the concentration of hydronium ions in an aqueous solution
Chemistry
2 answers:
9966 [12]3 years ago
5 0

Answer : The incorrect option is, Accepts an H⁺ ion in reaction.

Explanation :

Acid : It is a type of species which contains hydrogen ion.

Properties of an acid :

The taste of an acid is sour.

An acid does not feel slippery.

Acid reacts with the active metal to form a gas and a salt.

It change the color of litmus paper to red or pink.

It conduct electricity.

It react with carbonates to give salt.

It react with a metal to give compound and hydrogen gas.

Base : It is a type of species which contains hydroxide ion.

Properties of an base :

The taste of base is bitter.

The base feels slippery.

It does not react with the active metal.

It change the color of litmus paper to blue.

It conduct electricity.

As per question, all options are the properties of an acid while the statement accepts an H⁺ ion in reaction is in the property of an acid because it donates hydrogen ion in the solution.

Hence, the incorrect option is, Accepts an H⁺ ion in reaction.

tankabanditka [31]3 years ago
4 0

Answer : Option B) Accepts an H+ ion in reaction


Explanation : Acid is a lewis acid which forms a bond by accepting a pair of electrons. Acids, when dissolved increase the concentration of hydronium ion in the solution. So, the statement which is Acid accepts H+ ion is irrelevant here, as base accepts the H+ ion in a reaction.

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Which of the following is not an example of a mass movement?

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Answer:

b) acid rain

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Acid rain is not an example or a type of mass movement.

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Water, slope and gravity are triggers of mass movement.

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The following compound has been found effective in treating pain and inflammation (J. Med Chem. 2007, 4222). Which sequence corr
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<h3><u>Full Question:</u></h3>

The following compound has been found effective in treating pain and inflammation (J. Med. Chem. 2007, 4222). Which sequence correctly ranks each carbonyl group in order of increasing reactivity toward nucleophilic addition?

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The rate of nucleophilic attack of carbonyl compounds is 2<3 <1.

Option B

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Nucleophilic attack is explained as the attack of an electron rich radical to a carbonyl compound like aldehyde or a ketone. A nucleophile has a high electron density, so it searches for a electropositive atom where it can donate a portion of its electron density and become stable.

A carbonyl compound is a sp^2 hybridized carbon atom with a double bonded oxygen atom in it. The oxygen atom pulls a huge portion of electron density from carbon being very electropositive.

In a ketone, there are two factors that make it less likely to undergo a nucleophilic attack than aldehyde. Firstly, the steric hindrance of two carbon groups being attached with the carbonyl carbon makes it harder for the nucleophile to approach. Secondly, the electron push by the carbon groups attached makes the carbonyl carbon a bit less electropositive than the aldehyde one. So aldehydes are more reactive towards a nucleophilic addition reaction.

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