11th Chemistry Monthly Test - 3 ( Fundamentals of Organic Chemistry )

MABS Institution

11th Chemistry Monthly Test - 3 ( Fundamentals of Organic Chemistry )-Aug 2020

Time : 2.00 Hours

Part - A

Generic 2 - Answer All Question

Write the IUPAC names of the following compounds.
\({ CH }_{ 3 }-{ CH }_{ 2 }-\underset { \overset { | }{ { CH }_{ 3 } } }{ CH } -{ CH }_{ 2 }-{ CH }_{ 3 }\)
(ii)

Write the possible isomers for the formula CSH)O with their name and type of isomerism present in it.

Which of the following represents the correct IUPAC name for the compounds concerned?
(i) 2,2-dimethylpentane or 2-dimethylpentane.
(ii) 2,4,7-trimethyloctane or, 2,5,7-trimethyloctane.
(iii) 2-chloro-4-methylpentane or 4-chloro-2. methylpentane.
(iv) But-3-yn-I-o1 or But-4-oI-1-yne

What are the methods used for representing the structure of an organic compound?

Give the principle involved in the estimation of halogen in an organic compound by carius method.

Define optical isomerism.

Give example for of each follwing type of organic compounds.
(i) Non-benzeoid
(ii) Aromatic hetrocyclix
(iii) Alicyclic
(iv) Aliphatic open chain

Explain the process of chromatography in chlorophyll.

Define geometrical isomerism with an example.

Explain about dash line structure with a suitable example.

Write the structural formula for the following compounds.
(i) cyclohexa-I, 3-diene
(ii) methyl cyclopentane

Give the general formula for the following classes of organic compounds
(a) Aliphatic monohydric alcohol
(b) Aliphatic ketones.
(c) Aliphatic amines.

0.30 g of a substance gives 0.88 g of carbon dioxide and 0.54 g of water calculate the percentage of carbon and hydrogen in it.

Under what conditions can the process ofteam distillation is used?

Part - B

Generic 3 - Answer All Question

0.33 g of an organic compound containing phosphorous gave 0.397 g of Mg₂P₂O₇ by the analysis. Calculate the percentage of P in the compound.

0.40 g of an iodo-substituted organic compound gave 0.235 g of AgI by carius method. Calculate the percentage of iodine in the compound. (Ag = 108, I = 127) (Ans = 31.75)

Write structural formula for the following compounds
(i) m - dinitrobenzene
(ii) p-dichloro benzene
(iii)1, 3, 5- Trimethyl benzene.

In an estimation of sulphur by carius method, 0.2175 g of the substance gave 0.5825 g of BaSO₄ calculate the percentage composition of S in the compound.

Give the IUPAC names of the following compounds.
(a)

(b)

(c)

(d)

(e)

(f) Cl₂CHCH₂OH

Draw the complete structural formula, condensed structure and bond line structure of
(i) n-propanol (ii) 1, 3-butadiene.

What is wedge formula? Explain with suitable example.

Explain about the oxidation test for sulphur.

Write the formulas for the first five members of each homologous series beginning with the following compound. CH₃COCH₃

Arrange the following in increasing order of C-C bond length: C₂ H₆, C2 H₄, C₂ H₂.

Give the IUPAC name of the following compounds:
(i)

(ii)

(iii)

0.24 g of organic compound containing phosphorous gave 0.66 g of Mg₂P₂O₇ by the usual analysis. Calculate the percentage of phosphorous in the compound.

Explain about the Newmann projection formula with an example.

Explain about the principle involved in chromatography. Give its types.

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11th Chemistry Monthly Test - 3 ( Fundamentals of Organic Chemistry )

MABS Institution

11th Chemistry Monthly Test - 3 ( Fundamentals of Organic Chemistry )-Aug 2020

Part - A

Generic 2 - Answer All Question

Write the IUPAC names of the following compounds. \({ CH }_{ 3 }-{ CH }_{ 2 }-\underset { \overset { | }{ { CH }_{ 3 } } }{ CH } -{ CH }_{ 2 }-{ CH }_{ 3 }\) (ii)

Write the possible isomers for the formula CSH)O with their name and type of isomerism present in it.

Which of the following represents the correct IUPAC name for the compounds concerned? (i) 2,2-dimethylpentane or 2-dimethylpentane. (ii) 2,4,7-trimethyloctane or, 2,5,7-trimethyloctane. (iii) 2-chloro-4-methylpentane or 4-chloro-2. methylpentane. (iv) But-3-yn-I-o1 or But-4-oI-1-yne

What are the methods used for representing the structure of an organic compound?

Give the principle involved in the estimation of halogen in an organic compound by carius method.

Define optical isomerism.

Give example for of each follwing type of organic compounds. (i) Non-benzeoid (ii) Aromatic hetrocyclix (iii) Alicyclic (iv) Aliphatic open chain

Explain the process of chromatography in chlorophyll.

Define geometrical isomerism with an example.

Explain about dash line structure with a suitable example.

Write the structural formula for the following compounds. (i) cyclohexa-I, 3-diene (ii) methyl cyclopentane

Give the general formula for the following classes of organic compounds (a) Aliphatic monohydric alcohol (b) Aliphatic ketones. (c) Aliphatic amines.

0.30 g of a substance gives 0.88 g of carbon dioxide and 0.54 g of water calculate the percentage of carbon and hydrogen in it.

Under what conditions can the process ofteam distillation is used?

Part - B

Generic 3 - Answer All Question

0.33 g of an organic compound containing phosphorous gave 0.397 g of Mg2P2O7 by the analysis. Calculate the percentage of P in the compound.

0.40 g of an iodo-substituted organic compound gave 0.235 g of AgI by carius method. Calculate the percentage of iodine in the compound. (Ag = 108, I = 127) (Ans = 31.75)

Write structural formula for the following compounds (i) m - dinitrobenzene (ii) p-dichloro benzene (iii)1, 3, 5- Trimethyl benzene.

In an estimation of sulphur by carius method, 0.2175 g of the substance gave 0.5825 g of BaSO4 calculate the percentage composition of S in the compound.

Give the IUPAC names of the following compounds. (a) (b) (c) (d) (e) (f) Cl2CHCH2OH

Draw the complete structural formula, condensed structure and bond line structure of (i) n-propanol (ii) 1, 3-butadiene.

What is wedge formula? Explain with suitable example.

Explain about the oxidation test for sulphur.

Write the formulas for the first five members of each homologous series beginning with the following compound. CH3COCH3

Arrange the following in increasing order of C-C bond length: C2 H6, C2 H4, C2 H2.

Give the IUPAC name of the following compounds: (i) (ii) (iii)

0.24 g of organic compound containing phosphorous gave 0.66 g of Mg2P2O7 by the usual analysis. Calculate the percentage of phosphorous in the compound.

Explain about the Newmann projection formula with an example.

Explain about the principle involved in chromatography. Give its types.

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Write the IUPAC names of the following compounds.
\({ CH }_{ 3 }-{ CH }_{ 2 }-\underset { \overset { | }{ { CH }_{ 3 } } }{ CH } -{ CH }_{ 2 }-{ CH }_{ 3 }\)
(ii)

Which of the following represents the correct IUPAC name for the compounds concerned?
(i) 2,2-dimethylpentane or 2-dimethylpentane.
(ii) 2,4,7-trimethyloctane or, 2,5,7-trimethyloctane.
(iii) 2-chloro-4-methylpentane or 4-chloro-2. methylpentane.
(iv) But-3-yn-I-o1 or But-4-oI-1-yne

Give example for of each follwing type of organic compounds.
(i) Non-benzeoid
(ii) Aromatic hetrocyclix
(iii) Alicyclic
(iv) Aliphatic open chain

Write the structural formula for the following compounds.
(i) cyclohexa-I, 3-diene
(ii) methyl cyclopentane

Give the general formula for the following classes of organic compounds
(a) Aliphatic monohydric alcohol
(b) Aliphatic ketones.
(c) Aliphatic amines.

0.33 g of an organic compound containing phosphorous gave 0.397 g of Mg₂P₂O₇ by the analysis. Calculate the percentage of P in the compound.

Write structural formula for the following compounds
(i) m - dinitrobenzene
(ii) p-dichloro benzene
(iii)1, 3, 5- Trimethyl benzene.

In an estimation of sulphur by carius method, 0.2175 g of the substance gave 0.5825 g of BaSO₄ calculate the percentage composition of S in the compound.

Give the IUPAC names of the following compounds.
(a)

(b)

(c)

(d)

(e)

(f) Cl₂CHCH₂OH

Draw the complete structural formula, condensed structure and bond line structure of
(i) n-propanol (ii) 1, 3-butadiene.

Write the formulas for the first five members of each homologous series beginning with the following compound. CH₃COCH₃

Arrange the following in increasing order of C-C bond length: C₂ H₆, C2 H₄, C₂ H₂.

Give the IUPAC name of the following compounds:
(i)

(ii)

(iii)

0.24 g of organic compound containing phosphorous gave 0.66 g of Mg₂P₂O₇ by the usual analysis. Calculate the percentage of phosphorous in the compound.