Classification of Hydrocarbons

Q.

What is the process of protein metabolism?

Q.

Give a test that can be used to differentiate between saturated and unsaturated hydrocarbons.

Q. Name the monomer of teflon. Write its molecular formula.

Q.

Why saturated compounds give clean flames and unsaturated compounds yellow flames???

Q. Give a brief description of bromine - water test. (5 marks)

Q.

How would you prepare Methane?

Q. The monomer of Teflon is:

1. CHF=CH₂

2. CHF=CHCl

3. CHCl=CHCl

4. CF₂=CF₂

Q.

Give the products formed when:

Acetylene is heated in red hot copper tube___________.

Q.

Give the structural differences between saturated and unsaturated hydrocarbons with two examples each.

Q.

Saturated hydrocarbons burn with a blue flame and unsaturated hydrocarbons burn with a sooty flame.

1. True

2. False

Q. What do you observe when ethylene is passed through an alkaline $KMn{O}_4$ solution?

Q.

Rectified spirit is-

1. $50\%\mathrm{ethanol}$

2. $80\%\mathrm{ethanol}$

3. $95\%\mathrm{ethanol}$

4. $100\%\mathrm{ethanol}$

Q. Define hydrocarbons.
Name the types of hydrocarbons.

Q.

What is the common name of ethyne and propyne?

Q.

Why Acetic Anhydride is banned?

Q.

One of the constituents of the pancreatic juice which is poured into the duodenum in humans is

1. Trypsinogen.

2. Chymotrypsin.

3. Trypsin.

4. Enterokinase.

Q. Why do we classify hydrocarbons are saturated and unsaturated

Q.

What are the atomicities of following elements:

Potassium

Manganese

Bromine

Mercury

Barium

Q.

${\mathrm{C}}_2{\mathrm{H}}_6$ is the molecular formula of__________

Q. Difference between cyclic compound and aromatic compound.

Q. How to name organic compounds using the IUPAC rules?

Q. NaOH is manufctured by the electrolysis of brine solution. The products of reaction are (1) Cl2 + H2 (2) Cl2 + Na-Hg (3) Cl2 + Na (4) Cl2 + O2

Q.

Ethanol is made unfit for drinking by adding-

1. Propanol

2. Methanal

3. Methanol

4. Ethanol

Q. How is bromine solution useful in testing of unsaturated compounds ? Explain the science behind it.

Q. How is
(a) Methane prepared in the laboratory

Q.

The oxidising agent for the following reaction is _______ .

CH₄ + 2O₂ → CO₂ + 2H₂O

1. Oxygen

2. Carbon Dioxide

3. Methane

4. Water

Q. A gaseous hydrocarbon (12mL) is exploded with excess of oxygen.On cooling the contraction in volume is 48mL and their is further contraction of 48mL in volume when passed through lime water. The molecular formula of hydrocarbon is

Q. Why is NaOH formed near the cathode in the electrolysis of brine ?

Q. Which is the simplest aromatic compound.

1. Naphthalene
2. Benzene
3. Pyrene
4. Furan

Q.

What is the function of the enzymes trypsin and chymotrypsin?