Practice Book for KVPY Aptitude Test - Stream SX Chemistry>Chapter 11 - Practical Organic Chemistry>Exercise>Q 18

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An organic compound $X (C_{5} H_{10})$ on ozonolysis gives $Y & Z$ . The product mixture $Y$ and $Z$ on reaction with ${NH}_{2} OH$ gives four oximes. The structure of $X$ is:

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Important Questions on Practical Organic Chemistry

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Practice Book for KVPY Aptitude Test - Stream SX Chemistry>Chapter 11 - Practical Organic Chemistry>Exercise>Q 19

Compound

A (C_{8} H_{12})

does not show stereoisomerism. It adds only one mole of

H_{2}

. On ozonolysis, it gives a symmetrical diketone

B (C_{8} H_{12} O_{2})

. Identify

A

.

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Practice Book for KVPY Aptitude Test - Stream SX Chemistry>Chapter 11 - Practical Organic Chemistry>Exercise>Q 20

Compound

' A'

(C_{3} H_{6} O),

decolourises

{Br}_{2}

water. It liberates colourless, odourless gas on addition of sodium metal. On ozonolysis, it gives

B

and compound

' C' (C_{2} H_{4} O_{2}),

Identify

' A'

.

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Practice Book for KVPY Aptitude Test - Stream SX Chemistry>Chapter 11 - Practical Organic Chemistry>Exercise>Q 21

A compound

P (C_{5} H_{6})

gives Baeyer's test positive and on hydrogenation form a hydrocarbon

B (C_{5} H_{10})

, B gives only one monochloro product. The compound

P

is:

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Practice Book for KVPY Aptitude Test - Stream SX Chemistry>Chapter 11 - Practical Organic Chemistry>Exercise>Q 22

Compound

' A' (C_{16} H_{18})

on ozonolysis gives only one product '

B^{'}, (C_{8} H_{8} O) .

' B'

gives positive iodoform test and forms sodium benzoate as one of the products. Identify the structure of

' A'

.

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Practice Book for KVPY Aptitude Test - Stream SX Chemistry>Chapter 11 - Practical Organic Chemistry>Exercise>Q 23

Compound

X (C_{3} H_{6} O)

gives negative tests with the following reagents. (a)

{Br}_{2}

(b)

2, 4

-Dinitrophenylhydrazine (c)

Na

metal. It gives two monochloro structural isomers. Identify

' X' .

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Practice Book for KVPY Aptitude Test - Stream SX Chemistry>Chapter 11 - Practical Organic Chemistry>Exercise>Q 24

The following two compounds $I$ and $II$ can be distinguished by using reagent

Question Image

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Practice Book for KVPY Aptitude Test - Stream SX Chemistry>Chapter 11 - Practical Organic Chemistry>Exercise>Q 25

An organic compound with molecular formula

C_{6} H_{8}

, on reductive ozonolysis gives

2

moles of

2

-oxopropanal. The structure of the compound will be

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Practice Book for KVPY Aptitude Test - Stream SX Chemistry>Chapter 11 - Practical Organic Chemistry>Exercise>Q 26

The incorrect statement about Question Image

Question Image

is: