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Solution for Class 12, Chemistry, General Organic Chemistry

Question 1

The correct IUPAC name of the compound is

4-formyl-2-oxocyclohexanecarboxylic acid
4-carboxy-2-oxocyclohexanal
4-carboxy-1-formylcyclohexanone
2-carboxy-5-formyl-1-oxocyclohexane.

Topic:

General Organic Chemistry

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Question 2

Match the compounds given in column I IUPAC names given in column II and Whth

_{Hhe}

appropriate choice. Column I

Topic:

General Organic Chemistry

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Question 3

Which is optically active molecule :-

Topic:

General Organic Chemistry

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Question 4

(a)

(A) \to (

(iv). (B)

\to

(ii), (C)

\to

(ii), (C)

(b) $(A) \to (i), (B) \to (B) \to$ (iv), (C) $\to$ (C) $(C)$
(d) (A) $\to$ (iii), (B) $\to$ (iv), (C) benzene compounds is not correct?",(a)
(b) 4-ethy1-2-methylaniline

Topic:

General Organic Chemistry

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Question 5

Identify

Y

in the following reaction:

Topic:

General Organic Chemistry

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Question 6

Tert pentyl bromide on boiling with silver oxide suspended in water produce

2, 2-Dimethylpropan-1-ol
2- Methylbutan -1-ol
1, 1-Dimethylpropane-1-ol
2-Methylbutan-1-ol

Topic:

General Organic Chemistry

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Question 7

When an alkyl halide reacts with an alkoxide, the product is form

Ether
Hydrocarbon
Ester
Alcohol

Topic:

General Organic Chemistry

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Question 8

Find the order of reactivity of labelled hydrogen with

NaNH_{2}

$1 > 2 > 3$
$3 > 2 > 1$
$3 > 1 > 2$
$2 > 3 > 1$

Topic:

General Organic Chemistry

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Question 9

Which of the following carbocation is most stable?

Topic:

General Organic Chemistry

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Question 10

Which carbocation is least likely to form as an intermediate?

$(C_{6} H_{5})_{3}_{C}^{+}$ ::::
$CH_{2} = CH +$

Topic:

General Organic Chemistry

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Question 11

In the reaction

M + O_{2} ⟶ MO_{2}

(super oxide) the metal is

$Li$
$Na$
$K$
Ba

Topic:

General Organic Chemistry

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Question 12

Number of optically active isomers of tartaric acid

HOO

. If Ifone

Topic:

General Organic Chemistry

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Question 13

5 1. Which of the following compounds has stereoisomers that is meso compound?

2,4 dibromohexane
2,4 dimethyl hexane
2,4 dibromopentane
2,4 dichiloro hexane

Topic:

General Organic Chemistry

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Question 14

A river water sampie of

2 mL

is analyzed for

A t^{3 *}

and gives the activity of

2315 cpm

. Under the same expeninental conditicas

200 Hg

of standard

A l^{3} + 12 mL

gives the activity of

4197 cpm

. The

A l^{3 +}

contert in the niver water is

$5.60 μ g$
$11.2 kg$
$0.56 μ g$
$1.12 μ g$

Topic:

General Organic Chemistry

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Question 15

(3.) Stationary state wave fumctions of a system are obtained when its:

potential depends oo time and position
Hamiltonian depends on both position and time
wave finction carnoc be resolved iato sphtial parn atid temporal parr
potential is indepeadent of time

Topic:

General Organic Chemistry

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Question 16

Pyrithiniun chlorochromate is usca for oxidation of 1) Ethanol to acetaldelydde

Methanol to formicacid
Etharnol to aceric acid
Acetaldehyde to acetic acid.

Topic:

General Organic Chemistry

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Question 17

What is the order of acidity (most seilic to least acidic)? I

CH_{3} COOH

II.

H_{3} CO - CH - COOH

A ∣ H ∣ > ∥ > 1

$} > ∥ > ∥$
$II l > l > ∥$

Topic:

General Organic Chemistry

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Question 18

Grven: (i) molality

m

(in mol.

kg^{- 2}

) and (ii) measured

lo g γ_{\pm}

(mean activity coefficient) of the following aqueous electrolytes

$LaCl_{3}$
HCT
$In_{2} (SO_{4})_{3}$

Topic:

General Organic Chemistry

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Question 19

Which of the following biphenyls is optically

ctive?

Topic:

General Organic Chemistry

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Question 20

sequence. Problem 1.2 "A compound contains

4.07%

hydrogen,

24.27%

carbon and

71.65%

chlorine. Its molar mass is

98.96 g

. What are its empirical and molecular formulas?

Topic:

General Organic Chemistry

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Solution for Class 12, Chemistry, General Organic Chemistry

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