Oxidation of Alcohols

Q. 55 Hclo>hclo2>hclo3>hclo4. Explain the reason of oxidizing power of these molecules.

Q.

Write a short note on Lucas test.

Q. how to convert alkyl halide to alkyne

Q. 21 In the preparation of alkane by the reduction of alcohol, aldehyde and acid derivatives, how to find the n.o of moles of HI used during reduction?

Q. 6.What is the hybridisation state of the central atom in the conjugate base of NH4+ ion ? 1) sp 2) sp3 3) sp2 4) dsp2

Q.

A compound X with molecular formula C₃H₈O can be oxidised to a compound Y with the molecular formula C₃H6O_2. X is most likely to be [MP PMT 1991]

1. Primary alcohol

2. Secondary alcohol

3. Aldehyde

4. Ketone

Q.

An aromatic amine (A) was treated with alcoholic potash and another compound (Y) when foul smelling gas

was formed with formula C₆H₅NC. Y was formed by reacting a compound (Z) with Cl₂ in the presence of

slaked lime. The compound (Z) is [CBSE PMT 1990]

1. C₂H₅Cl

2. C₂H_{5 OH}

3. C₂H₆

4. CHCL₃

Q. Among the following mixtures, major interaction is present in a. Benzene and CCl_4 b. Benzene and C_2H_5OH c. CH_3COCH_3 and CH_3CN d. KCl and water EXPLAIN

Q. 5.What is the difference between carbocation and cation.

Q. Which of the following reagents could be used to distinguish between hexan-1-ol and cyclohexanol?

1. Lucas reagent
2. $ZnC{l}_{2}andHCl$
3. A Cr(VI) reagent like $H_{2}Cr{O}_4$
4. Bromine water

Q. 79 In which compounds does the central atom has d3s hybridisation?

Q. Which among the following statement(s) is/are correct?

1. Alcohols on reaction with chromic oxide give aldehydes
2. Secondary alcohols give ketones when oxidised using chromic oxide
3. Tertiary alcohols get oxidised on treatment with PCC
4. Pyridinium chlorochromate (PCC) is a better reagent for the oxidation of primary alcohols to aldehydes

Q.

What is the difference between alkaline and alcoholic KMnO₄

Q. 70. Can 3-butanolide be named as 3-methyl-2-oxacyclobutanone.Why/Whynot?

Q. For the given reaction

$\left(a\right)C{H}_2=CH-\stackrel{OH}{\stackrel{|}{CH}}-C{H}_3\stackrel{\left[X\right]}{\to }C{H}_2=CH-\stackrel{O}{\stackrel{||}{C}}-C{H}_3$
[X] will be:
$\left(a\right)C{l}_2/NaOH\left(b\right)Fentonreagent$
(c) Aluminium tertbutoxide $\left(b\right)K_{2}C{r}_2{O}_7/H^{@}/△$

1. $a$
2. $b$
3. $c$
4. $d$

Q. Arrange the following glycols in order of decreasing rate of oxidation with periodic acid.

1. I > II > III
2. II > III > I
3. III > II > I
4. All will be oxidized at the same rate.

Q. Which of the following alcohols will form an aldehyde or a ketone as a product on oxidation with $H^{+}/K_{2}C{r}_2{O}_7$.

1. $1^{\circ }$ alcohol
2. $2^{\circ }$ alcohol
3. $3^{\circ }$ alcohol
4. Both $1^{\circ }$ and $2^{\circ }$ alcohol

Q. Does covalent character increase among s block hydrides on going down the group?

Q. The reagent which converts ethylene to ethylene glycol:

1. $KOH$ dissolved in alcohol
2. alkaline dilute $KMn{O}_4$
3. ozone
4. $KOH$ dissolved in water

Q.

1. trans

2. z

3. None is correct

4. both are correct