Question
Explain the effect of temperature on spontaneity.
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Answer
SELF
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Account for the following observations:
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The +1 oxidation state of thallium is more stable than its +3 state.
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Compare the acidic properties of alkane, alkene and alkyne and write reaction to represent the acidic nature of 1-alkyne.
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i. What is hydrogenation?
ii. Why do the $C - C$ bonds rather than $C - H$ bonds break during cracking of alkanes?
iii. Which conformation of ethane is more stable?
iv. What happens when 2-bromobutane is being treated with KOH (alcoholic)?
v. Identify the structure of A and B;
vi. How will you separate propene from propyne?
vii. Why is t-butyl bromide more reactive towards $S _{ N } 1$ reaction as compared to n-butyl bromide?
→i. What is hydrogenation?
ii. Why do the $C - C$ bonds rather than $C - H$ bonds break during cracking of alkanes?
iii. Which conformation of ethane is more stable?
iv. What happens when 2-bromobutane is being treated with KOH (alcoholic)?
v. Identify the structure of A and B;
vi. How will you separate propene from propyne?
vii. Why is t-butyl bromide more reactive towards $S _{ N } 1$ reaction as compared to n-butyl bromide?
Attempt any five of the following:
1. Why does the iodination of benzene is carried out in the presence of nitric acid or iodic acid?
2. Can a catalyst change the position of equilibrium in a reaction?
3. Why is benzene extraordinarily stable though it contains three double bonds?
4. Bring out the following conversion ethane to ethene.
5. Why are alkanes called paraffins?
6. Draw the New man's projection formula of the staggered form of 1,2-dichloroethane.
7. Give the IUPAC name of the lowest molecular weight alkane that contains a quaternary carbon.
1. Why does the iodination of benzene is carried out in the presence of nitric acid or iodic acid?
2. Can a catalyst change the position of equilibrium in a reaction?
3. Why is benzene extraordinarily stable though it contains three double bonds?
4. Bring out the following conversion ethane to ethene.
5. Why are alkanes called paraffins?
6. Draw the New man's projection formula of the staggered form of 1,2-dichloroethane.
7. Give the IUPAC name of the lowest molecular weight alkane that contains a quaternary carbon.
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