Chemistry Questions, Problems & Solutions : TransWikia.com ~ Page 13

Stubborn CuAAC reaction as derivatization for ESI-MS

Problem descriptionI have a substance that is extremely non-polar and therefore does not ionize in the ESI source, which makes it impossible to quantify small amounts. The substance contains only...

Asked on 01/18/2021

1 answer

Common ion effect

Let $ce{HA}$ ($x$ molar) be a strong electrolyte and $ce{HB}$ ($c$ molar) — weak electrolyte. As $ce{HA}$ is strong electrolyte, it dissociates completely: $$...

Asked on 01/16/2021 by Satwik

0 answer

Rate of solvolysis of allyl and alkyl halides

Suppose I have 2 compounds, 3-chloropropene and 1-bromo-1-methylcyclohexane. Without knowing the values, how can we compare the rate of solvolysis?My attempt: Resonance is quite dominant character thus alkyl chloride resonance...

Asked on 01/14/2021

1 answer

Is there a difference between oxidation state and valency?

I just looked up peroxide on Google, and I saw that the oxidation state of oxygen in $ce{R-O-O-R}$ is $–1$, and not $–2$ (like $ce{H2O}$), when...

Asked on 01/14/2021 by isaac_samuel

1 answer

Bond angles in NH3 and NCl3

The bond angle in a molecule is inversely proportional to the electronegativity of the surrounding atom if the central atom is same. This also happens with $ce{NH3}$ and $ce{NF3}$, as...

Asked on 01/11/2021 by Kirti Agrawal

3 answer

How do I get the smell of Febreeze (uncomplexed cyclodextrin composition) out of my carpet?

Help! I sprayed my old carpet, which had gotten a little mildewy from some wet towels left on it, with Febreeze original scent. Now I can't get that horrible scent...

Asked on 01/09/2021 by Annette R.

0 answer

Why does magnesium bromide transfers from a carbon atom to nitrogen in piperidine?

In this reaction, why does $ce{MgBr}$ goes to the $ce{>NH}$ group and form a bond with nitrogen by...

Asked on 01/09/2021

1 answer

Calculation of rupture force in a covalent bond

Is there any way to theoretically or mathematically calculate the rupture force of a covalent bond? One of the articles I saw said that it is the maximum derivative of...

Asked on 01/08/2021 by Donghwi Min

1 answer

Alphanumeric preference between hexyl and heptyl

Our chemistry teacher taught us that hexyl (five letters) is preferred to heptyl (six letters) as hexyl has lesser number of letters. After searching many sources I could not find...

Asked on 01/06/2021

1 answer

Hydrogen venting: Why no flame arrestors?

I was reading the guidelines for safe venting of Hydrogen. One item says "no flame arrestors". Just wondering the scientific reason why flame arrestors may be frowned upon when...

Asked on 01/05/2021 by curious_cat

2 answer

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