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NEET Chemistry Solved Question Paper 2009

Multiple Choice Questions

41.
Consider the following reaction,

$Phenol space rightwards arrow with Zn space dust on top space straight X space rightwards arrow from Anhydrous space AlCl subscript 3 to CH subscript 3 Cl of space straight Y space rightwards arrow with Alkaline space KMnO subscript 4 on top straight Z comma$
the product,Z,is

toluene

benzaldehyde

benzoic acid

benzoic acid

benzoic acid

i) Zn dust converts - OH group into - H

ii) Reaction with CH₃Cl in presence of anhy. AlCl₃ is called Friedel -Craft's alkylation.

iii) Alkaline KMnO₄ converts complete carbon chain which is directly attached with the benzene ring, into -COOH group.

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42.

The segment of DNA, which acts as the instrumental manual for the synthesis of the protein is

nucleotide
ribose
gene
gene

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43.

Trichloroacetaldehyde, CCl₃CHO reacts with chlorobenzene in presence of sulphuric acid and produces

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44.

The structure of some common polymers is given. Which one is not correctly presented?

Teflon
Neoprene
Terylene
Terylene

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45.

Predict the product,

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46.

H₂COH. CH₂OH on heating with periodic acid gives

2CO₂
2HCOOH
$bold CHO bold vertical line bold CHO$
$bold CHO bold vertical line bold CHO$

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47.

Which of the following hormones contain iodine?

Insulin
Testosterone
Adrenaline
Adrenaline

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48.

The straight chain polymer is formed by

hydrolysis of (CH₃)₃SiCl followed by condensation polymerisation
hydrolysis of CH₃SiCl₃ followed by condensation polymerisation
hydrolysis of (CH₂)₂Si by the addition of the polymerization
hydrolysis of (CH₂)₂Si by the addition of the polymerization

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49.

Consider the following reaction,

$ethanol space rightwards arrow with PBr subscript 3 on top space straight X space rightwards arrow with alc. space KOH on top space straight Y space rightwards arrow from left parenthesis ii right parenthesis space straight H subscript 2 straight O comma space heat to left parenthesis straight i right parenthesis space straight H subscript 2 SO subscript 4 of space straight Z semicolon$
the product Z, is