Synthesis of Aldehydes or Ketones from Hydrocarbons

Q. 93.In an iodometric estimation the following reactions occur 2Cu2+ + 4I-➡Cu2I2 + I2 I2 + 2Na2S2O3 ➡2NaI+ Na2S4O6 0.15 mol of Cuso4 of 70% purity was added to excess of KI solution and liberated iodine required 120 ml of hypo. Calculate the molarity of hypo solution.

Q.

Methane and ethane both can be obtained from which one of the following compounds via a single step?

1. CH₃ I

2. C₂ H₅ I

3. CH₃ OH

4. C₂ H₅ OH

Q. Which of the following compounds is formed on ozonolysis followed by hydrolysis of but-2-ene?

1. Acetone and formaldehyde
2. Acetaldehyde
3. Butyric acid
4. Acetone and Acetaldehyde

Q. In homogeneous liquid Phase reaction, ethyl acetate is formed by reaction of ethanol and acetic acid and equilibrium is achieved at temperature T(K). Then (1) Kp of this homogeneous liquid Phase reaction will be zero (2) Kc of this homogenous liquid phase reaction is not defined (3) On dilution, Kc will remain same (4) On increase in concentration of ethyl-alcohol, Kc will decrease

Q.

X in the above reaction is

1. 

2. 

3. 

4. 

Q. Draw the structures of [CrF6]3- and [Co(NH3)6]3+.

Q. what is tischenko reaction?

Q. Chemical reaction of bayer process and hall process

Q.

Give the chemical equation for the reaction of one mole ethene with one mole of chlorine gas.

Q. Consider the following reaction sequence:

Which of the following option(s) is/are not correct regarding the above reaction sequence?

1. Q and S are the same compound
2. P gives a positive iodoform test
3. Both P and S on reduction with $LAH$ and then dehydration with conc. $H_{2}S{O}_4$ gives styrene
4. S on decarboxylation gives benzene

Q. In NBS reaction, α-H is replaced by Br. Am I correct ?

Q.

why is benzyl carbocation more stable than ethyl carbocation?

Q. Wrutz reaction in simplest language

Q. $\text{2, 3-Dimethylbut-2-ene}\underset{\left(ii\right)Zn/H_{2}O}{\overset{\left(i\right)O_3/CC{l}_4}{\to }}P$
Product 'P' in the reaction given will be:

1. $C{H}_3-\stackrel{O}{\stackrel{||}{C}}-H$
2. $C{H}_3-\stackrel{O}{\stackrel{||}{C}}-C{H}_3$
3. $C{H}_3-C{H}_2-\stackrel{O}{\stackrel{||}{C}}-C{H}_3$
4. $H-\stackrel{O}{\stackrel{||}{C}}-H$

Q. Reductive ozonolysis of ethene produces.

1. ethanal
2. methanal
3. ethanal and methanal
4. acetone

Q. In which of the following reaction, acetaldehyde is not produced -

1. $C{H}_2=CH-CH=C{H}_2\underset{Zn/H_{2}O}{\overset{O_3}{\to }}$
   
   
2. 
3. $HC\equiv CH+H_{2}O\underset{H_{2}S{O}_4}{\overset{HgS{O}_4}{\to }}$
4. $C{H}_{3}COCl+H_2\underset{BaS{O}_4}{\overset{Pd}{\to }}$

Q. What is the formula to find out instantaneous rate of reaction?

Q. 00833 mol of carbohydrateof empincall forrmula CHO contan 1g of hydrogen. The malecular formula ofcaohydrate is4 CH, O

Q. In the reaction,

1. 
2. 
3. 
4. 

Q.

If an alkene X on ozonolysis gives propanal and pentanone as products. Predict the structure of X

Q. Why - I effect of OR is greater than that of OH ??Shouldnt it be the opposite ?

Q. Catalytic poison in Rosenmund reduction is:

1. $BaS{O}_4$
2. $H_2$
3. $C{H}_{3}COCl$
4. $C{H}_{3}CHO$

Q.

What Do You Mean By Lindlers

Catalysts , What Is Its Use And How Can We Convert Normal Hexane To Benzene?