21. Which of the folowng ie the comect chemcal formue tor this moiecule? S-NH2 mage proviey Sna an aCHNO,S ICHNOS CNO, Noe of teboe

Q: 8.97 x 106 J = kcal Incorrect

A:

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Q: 214 82 -->

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A: PCC - It is mild oxidising agent which oxidises alcohol (OH) group to aldehyde group as shown:

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A: The detailed solution is uploaded in explanation section.Explanation:

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States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates). 

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.