Find the odd one out and explain :
- A$C _3 H _8$
- ✓$C _5 H _{10}$
- C$C _2 H _6$
- D$CH _4$
Answer: B.
View full solution →Question types
Organic Chemistry question types
401 questions across 7 question groups — pick any mix to generate a Chemistry paper with step-by-step answer keys.
401
Questions
7
Question groups
5
Question types
01
MCQ
49 Q→02[2 Mark Question Answer]
90 Q→03[3 Mark Question Answer]
36 Q→04[1 Mark Question Answer]
167 Q→05Fill in the blanks.
47 Q→06[5 Mark Question Answer]
10 Q→07Match The Following.
2 Q→Sample Questions
Organic Chemistry questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
The organic compound obtained as the end product of the fermentation of sugar solution is ________ .
- AMethanol
- ✓Ethanol
- CEthane
- DMethanoic
Answer: B.
View full solution →Which of the following statements is wrong about alkanes?
- AThey are all saturated hydrocarbons.
- ✓They can undergo addition as well as substitution reactions.
- CThey are almost non$-$polar in nature.
- DOn complete combustion, they give out carbon dioxide and water.
Answer: B.
View full solution →Substitution reactions are characteristic reactions of ___________ .
- Aalkynes
- ✓alken
- Calkenes
- DAll of these above
Answer: B.
View full solution →But-1-ene and but-2-ene are examples of ___________ isomerism.
- AChain
- ✓position
- Cfunctional
- DAll of these above
Answer: B.
View full solution →Give the IUPAC name of the isomer $C_4H_{10}$ which has a branched-chain.
View full solution →Give the chemical equation for :
The preparation of ethyne from 1, 2-dibromoethane.
The preparation of ethyne from 1, 2-dibromoethane.
Give the chemical equation for :
The reaction of one mole of ethene with one mole of chlorine gas.
The reaction of one mole of ethene with one mole of chlorine gas.
Give the chemical equation for :
The laboratory preparation of methane from sodium acetate.
What is the difference in the molecular formula of any two adjacent homologues:
(i) In terms of molecular mass
(ii) In terms of number and kind of atoms per molecule?
(i) In terms of molecular mass
(ii) In terms of number and kind of atoms per molecule?
What are Hydrocarbons? Compare saturated and unsaturated hydrocarbons?
Give the names and the structural formula of the first three members of the homologous series of alkanes.
Give the names of any three alkyl radicals. How are they formed?
Explain the following : Catenation
Explain the following : Tetravalency
Define isomerism.
State how the following conversion can be carried out:
Ethyl alcohol to ethene
Ethyl alcohol to ethene
State how the following conversion can be carried out:
Ethene to ethyl alcohol
Ethene to ethyl alcohol
State how the following conversion can be carried out:
Ethyl chloride to ethene
Ethyl chloride to ethene
State how the following conversion can be carried out:
Ethyl chloride to ethyl alcohol
Ethyl chloride to ethyl alcohol
Complete:
The next higher homologue of ethanoic acid is …………………
The next higher homologue of ethanoic acid is …………………
Complete :
The organic acid present in vinegar is ……………………..
The organic acid present in vinegar is ……………………..
Complete:
Vinegar is prepared by the bacterial oxidation of …………….
Vinegar is prepared by the bacterial oxidation of …………….
The root in the IUPAC name of an organic compound depends upon the number of carbon atoms in _____________ .(any chain, principal chain)
CHO is the functional group of an __________. (alcohol, aldehyde)
A compound X when treated with an organic acid Y (having vinegar-like smell) in the presence of the acid Z, forms a compound P which has a fruity smell.
(a) Identify X, Y, and Z
(b) Write the structural formula of X and Y.
(c) What type of compound P is?
(d)Name the above reaction.
(e) If compound X and Y both have 2 carbon atoms. Write the reaction.
(a) Identify X, Y, and Z
(b) Write the structural formula of X and Y.
(c) What type of compound P is?
(d)Name the above reaction.
(e) If compound X and Y both have 2 carbon atoms. Write the reaction.
Name the alkyl radical and the functional group of the following organic compounds:
(a) $CH_3OH$
(b) $C_2H_5OH$
(c) $C_3H_7CHO$
(d) $C_4H_9COOH$
(e) $CH_3COOH$
(f) $HCHO$
View full solution →(a) $CH_3OH$
(b) $C_2H_5OH$
(c) $C_3H_7CHO$
(d) $C_4H_9COOH$
(e) $CH_3COOH$
(f) $HCHO$
Give the trivial (common) names and IUPAC names of the following:
(a) $C_3H_6$
(b) $C_2H_4$
(c) $C_2H_2$
(d) $CH_3OH$
(e) $C_2H_5OH$
View full solution →(a) $C_3H_6$
(b) $C_2H_4$
(c) $C_2H_2$
(d) $CH_3OH$
(e) $C_2H_5OH$
Give a chemical test to distinguish between Saturated and Unsaturated?
Write the
(a) Molecular formula
(b) Electron dot formula and
(c) The structural formula of methane and ethane
(a) Molecular formula
(b) Electron dot formula and
(c) The structural formula of methane and ethane
Given below in column A is a schematic diagram which shows the preparation of ethene gas. Identify the parts labelled as A, B and C with the correct options from the column B.
| Column A | Column B |
 | 1. Conc. Sulphuric acid |
| 2. Water | |
| 3. Ethyl alcohol | |
| 4. Copper | |
| 5. Methane |
Given below in column A is a schematic diagram which shows the preparation of methane gas. Identify the parts labelled as A, B and C with the correct options from the column B.
| Column A | Column B |
 | 1. Sodium acetate and soda lime |
| 2. Water | |
| 3. Steam | |
| 4. Copper | |
| 5. Methane |
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