2 years ago

Iupac name of h2so4

1 answer:

svlad2 [7]2 years ago

8 0

Answer

Sulphuric Acid

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Marina CMI [18]

Answer:

D. 1x10⁻¹¹ M

Explanation:

For any given aqueous solution the following formula is true:

1x10⁻¹⁴ = [H₃O⁺] * [OH⁻]

1x10⁻¹⁴ is the ion-product constant of water, Kw.

We input the given value of [H₃O⁺]:

1x10⁻¹⁴ = 1x10⁻³ * [OH⁻]

And solve for [OH⁻]:

[OH⁻] = 1x10⁻¹¹ M

Thus the correct answer is option D. 1x10⁻¹¹ M.

5 0

2 years ago

timofeeve [1]

Answer:

If carbonyl oxygen of 4-hydroxypentanal is enriched with $O^{18}$ , then the oxygen label appears in the water .

Explanation:

In the first step, -OH group at C-4 gives intramolecular nucleophilic addition reaction at carbonyl center to produce a cyclic hemiacetal.
Then, one equivalent of methanol gives nucleophilic substitiution reaction by substituting -OH group in cyclic hemiacetal to produce cyclic acetal.
If carbonyl oxygen of 4-hydroxypentanal is enriched with $O^{18}$ , then the oxygen label appears in the water produced at the end of reaction.
Full reaction mechanism has been shown below.