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Chemistry : Recent Questions and Answers (Page 6)

Find answers to your questions about Chemistry or help others by answering their Chemistry questions.

How does total depth affect the colloid gradient?

When a colloid reaches diffusion–sedimentation equilibrium, it creates a gradient where the solute concentrates toward the surface or the bottom of the vessel based on its density relative to the...

Asked on 11/17/2021

0 answer

Biodegrability of straight chain and branched chain detergents

From NCERT Chemistry: Textbook for class XII, Part II [1, p. 461]:Main problem that appears in the use of detergents is that if their hydrocarbon chain is...

Asked on 11/17/2021

1 answer

Rutherford gold foil experiment

This question may sound silly.What actually I understood from this experiment is that the positively charged nucleus which is in the center is responsible for the bending and...

Asked on 11/15/2021 by Aadhil RF

2 answer

Correlation between redox pseudocapacitance, surface area, and cell potential with metal oxide electrodes

I'm having difficulty intuitively reconciling two different ideas concerning metal oxide thin films in contact with aqueous solutions: 1) that charge storage by both redox pseudocapacitance and electrical double layer...

Asked on 11/13/2021 by PoGaMi

0 answer

How to calculate pH of a solution when H3PO4, NaH2PO4, Na2HPO4 and Na3PO4 are mixed together in certain amounts to form a solution?

How to calculate pH of a solution when $ce{H3PO4}$, $ce{NaH2PO4}$, $ce{Na2HPO4}$ and $ce{Na3PO4}$ are mixed together in certain amounts to form a solution? I know how to calculate pH...

Asked on 11/11/2021 by user14857

2 answer

What happens to the argon in the Haber-Bosch process?

The Haber–Bosch process is used to synthesis ammonia from atmospheric nitrogen and hydrogen derived from a hydrocarbon such as methane. The process requires high temperatures and pressures and also requires...

Asked on 11/11/2021

3 answer

Role of alcoholic potassium hydroxide in an E2 reaction

Which of the following compound will give least substituted alkene as major product with alcoholic $ce{KOH}$. The options are: 1....

Asked on 11/11/2021 by Shubham Sagar

1 answer

Hydrolysis of alkali and alkaline earth metals

Which of the following cations are not hydrolysed in aqueous solution?1) $ce{Mg^2+}$ 2) $ce{Ca^2+}$ 3) $ce{Na+}$ 4) $ce{K+}$I thought nothing would undergo hydrolysis, so all...

Asked on 11/11/2021 by R. Anusha

1 answer

When you melt an ionic compound, do you "break" its electrostatic force of attraction, or its lattice energy?

I know that the melting point and the boiling point of ionic compounds are very high. However, when I was trying to find the reason for this, I found that...

Asked on 11/11/2021 by stonecraft bros

0 answer

Rate of dehydration for butan-2-ol and butane-2,3-diol

A question taken from a test series (Vibrant, India):Amongst butan-2-ol and butane-2,3-diol, which has higher rate of dehydration?The carbocation formed in butane-2,3-diol is more stable as it will rearrange to...

Asked on 11/05/2021 by Khushi Ladha

1 answer

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