Elimination Reaction

Q. ___ is the gas formed when ethanol is treated with hot concentrated sulphuric acid.

1. Oxygen
2. Hydrogen
3. Methane
4. Ethene

Q.

The reducing agent that reduces acetic acid to ethanol is _______.

1. ${\mathrm{NaBH}}_4$

2. ${\mathrm{LiAlH}}_4$

3. ${\mathrm{Na}}_2{\mathrm{Cr}}_2{\mathrm{O}}_7$

4. All of the above

Q. The compound formed when ethanol is treated with acidified potassium dichromate $(K_{2}C{r}_2{O}_7$) is.

1. acetic acid
2. methanol
3. ethene

Q. 51. If an atomic no of an element is 58 it will be placed in the periodic table in the (1)3B group and 6th period (2)4B group and 6th period (3)5B group and 7th period

Q. Chlorination of methane is an example of:

1. addition reaction
2. reduction reaction
3. dehydration reaction
4. substitution reaction

Q. Under what conditions does ethane get converted to
(a) ethyl alcohol
(b) acetic acid

Q.

Unsaturated hydrocarbons contain multiple bonds between the two C-atoms and show addition reaction. Give the test to distinguish ethane from ethene.

Q.

Name :
(a) compound formed when acetic acid and ethanol react together.
(b) the reducing agent used to convert acetic acid into ethanol.
(c) the substance used to change acetic acid to acetic anhydride.

Q. Name the following:
(i) Oxidizing agent used to convert ethanol to acetic acid.
(ii) Catalyst used in the esterification reaction.
(iii) A toxic alcohol.
(iv) 100% ethanol.

Q. The term 'noble' in noble gases means chemically stable and unreactive.

1. False
2. True

Q. How does ethanol reacts with
(a) metallic sodium
(b) acetic acid
(c) conc. H₂SO₄

Q. What is the product of the reaction?

1. Cis-1, 2-diethylcyclopropane
2. Trans-1, 2-diethylcyclopropane
3. 1, 1-Diethylcyclopropane
4. Cis and trans-1, 1-diiodo-2, 3-dimethylcyclopropane

Q. Balance the following reaction.

Q. The compound formed when ethyl alcohol is treated with conc. sulphuric acid at 170° C is __________.

1. ethane
2. ethene
3. ethyne
4. ethanal

Q.

Unsaturated hydrocarbons contain multiple bonds between the two C-atoms and show addition reaction. Give the test to distinguish ethane from ethene.

Q. Write the name of nobles gases that belong to s and p block.

Q.

1. $2,2-$ dimethylbutane
2. $2,3-$dimethylbutane
3. hexane
4. $2,4$-dimethylpentane

Q. Describe one reaction of ethanol.

Q. If we pump methane gas into a closed and impenetrable cylinder containing chlorine gas, chlorine substitutes the hydrogen in methane.

1. True
2. False

Q. ___ is the gas formed when Ethanol is treated with hot concentrated sulphuric acid

Q. ___ is the gas formed when Ethanol is treated with hot concentrated sulphuric acid

Q. (a) What happens when ethanol is oxidised with alkaline potassium permanganate (or acidified potassium dichromate)? Write the equation of the reaction involved.
(b) Choose those compounds from the following which can turn blue litmus solution red:
HCHO, CH₃COOH, CH₃OH, C₂H₅OH, HCOOH, CH₃CHO
Give reasons for your choice.

Q. ___ is the gas formed when Ethanol is treated with hot concentrated sulphuric acid

Q. ___ is the gas formed when ethanol is treated with hot concentrated sulphuric acid.

1. Oxygen
2. Hydrogen
3. Methane
4. Ethene

Q. ___ is the gas formed when ethanol is treated with hot concentrated sulphuric acid.

1. Oxygen
2. Hydrogen
3. Methane
4. Ethene