In column chromatography the substance filled in column is :
- ✓$Al _2 O _3$
- B$P _2 O _5$
- C$N _2 O _5$
- DAll of these
Answer: A.
View full solution →Question types
PART - 2 CH - 8 Organic Chemistry: Some Basic Principles and Techniques question types
135 questions across 7 question groups — pick any mix to generate a Chemistry paper with step-by-step answer keys.
135
Questions
7
Question groups
5
Question types
01
M.C.Q (1 Marks)
29 Q→02Fill In The Blanks.
12 Q→03True False[1 Marks ]
11 Q→041 Marks Question
29 Q→052 Marks Questions
26 Q→06Match the following.
10 Q→075 Marks Questions
18 Q→Sample Questions
PART - 2 CH - 8 Organic Chemistry: Some Basic Principles and Techniques questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
The species obtained by homolytic cleavage of CC bond in ethane is :
- ✓$\dot{ C } H _3$
- B$\stackrel{+}{ C } H _3$
- C$: \overline{ C } H _3$
- D$CH _3-\dot{ C } H _2$
Answer: A.
View full solution →Distillation of organic liquid is done :
- ✓on its boiling point
- Bon its melting point
- Con temperature less than boiling point
- Don temperature more than boiling point
Answer: A.
View full solution →By fractional distillation, those liquids whose boiling points differ can be separated in pure form :
- A40 to $50^{\circ} C$
- ✓10 to $15^{\circ} C$
- C$100^{\circ} C$
- D2 to $5^{\circ} C$
Answer: B.
View full solution →In which of the following compounds $2^{\circ}$ and $3^{\circ}$ carbon atoms are absent?
- AIsopentane
- BIsobutane
- ✓Neopentane
- Dn-pentane
Answer: C.
View full solution →In Lassaigne's test of nitrogen blue colour appears due to formation of. $\ldots\ldots\ldots$
View full solution →$\begin{array}{l} CH _3 \\ CH _3\end{array}> CH^+$ is a $\ldots\ldots\ldots$ carbocation.
View full solution →$NH _3$ is a neutral $\ldots\ldots\ldots$
View full solution →2-bromoprotane is. $\ldots\ldots\ldots$ isomers of 1-bromo butane.
View full solution →Oxyrain is. $\ldots\ldots\ldots$ unaromatic compound.
View full solution →The $sp ^3$ hybridised carbon is most electronegative.
View full solution →$CH _3 CN$ and $CH _3 CH _2 NC$ are functional group isomers of each other.
View full solution →The IUPAC name of urea is amino methanamide.
The - I effect of - OH is more than - CN .
In column chromatography, $Al _2 O _3$ is filled in column.
View full solution →Name a compound which can be purified by sublimation process.
Give the formula of Prussian blue.
The mixture of acetone and ethyl alcohol is separated by which method while their boiling points are $56^{\circ} C$ and $78.3^{\circ} C$ respectively?
View full solution →Which type of electromeric effect is in $C _2{ }^{-}$ $C _3$ bond in compound $CH _3- CH = CH - CH _2 CH _3$ ?
View full solution →Which effect is have more strengthinductive effect or electromeric effect?
On estimating sulphur by Carius method, 0.5825 gm of $BaSO _4$ is formed from 0.2175 gm of a substance. Find percentage of sulphur in substance.
View full solution →While analyzing an organic compound in Dumas' method, 0.30 grams of organic compound is obtained at 300 K temperature and 756 mm . At pressure 32.4 mm , nitrogen is obtained. Find percentage of nitrogen in compound.
When fractional distillation method is used ? Explain the method.
Write the method of analysis of oxygen in organic compounds.
How the phosphorus is analysed in organic compound? Explain.
Match the column A with column B and select the correct code.
View full solution →| Column A | Column B |
| 1. Estimation of carbon and hydrogen | (a) Estimation of halogen |
| 2. Carius process | (b) Lateral overlapping |
| 3. $\pi$ Bond | (c) Methyl free radical |
| 4. Homolytic cleavage of $C - C$ bond of ethane | (d) Liebig combustion process |
Match the column A with column B and select the correct code.
View full solution →| Column A | Column B |
| 1. Hyperconjugation | (a) Elimination reaction |
| 2. $CH _4 \rightarrow CH _3 Cl$ | (b) $\sigma$ bond resonance |
3.  | (c) Electrophilic addition reaction |
| 4. $CH _2= CH _2+ HBr$ | (d) Substitution reaction |
Match the column A with column B and select the correct code.
| Column A | Column B |
| 1.Acidic property | (a)  |
| 2. Positive mesomeric effect | (b) Inductive effect |
| 3. Unstable effect | (c) Aniline |
| 4. Stable effect | (d) Electromeric effect |
Match the column A with column B and select the correct code.
View full solution →| Column A | Column B |
| 1.Nucleophilic | (a) Hydrogen |
| 2. Electrophilic | (b) $: \stackrel{\ominus}{ N } H _2$ |
| 3. Stability of carbanion | (c) Nitrogen ion |
| 4. Zero inductive effect | (d) $1^{\circ}>2^{\circ}>3^{\circ}$ |
Match the column A with column B and select the correct code.
View full solution →| Column A | Column B |
| 1.$CH _3 CH _2 OH$ and $CH _3 OCH _3$ | (a) Negative carbon $sp ^3$ hybridization |
2.  | (b) $- NO ^2$ group |
| 3. $: \overline{ C } H _3$ | (c) Functional group isomerism |
| 4. $-I$ effect | (d) Metamerism |
Explain the IUPAC nomenclature system of unsaturated hydrocarbon with example.
Explain the nomenclature of organic compounds by common name system with examples.
Write the structure of important functional group and make a table of their prefixes and suffixes according to IUPAC.
Analyse the modern classification of organic compounds.
Comment on following :
(i) Differential extraction
(ii) Estimation of sulphur by Carius process
(i) Differential extraction
(ii) Estimation of sulphur by Carius process
Generate a PART - 2 CH - 8 Organic Chemistry: Some Basic Principles and Techniques paper free
Pick question groups from the list above, set marks and difficulty, and export a branded PDF with step-by-step answer keys. First 3 chapters free — no signup.