Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry 1 NEET>Chapter 1 - Some Basic Concepts of Chemistry>TOPICWISE QUESTIONS>Q 78

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A $6 L$ mixture of methane and propane, on complete combustion, gives $7 L$ of ${CO}_{2}$ . What is the composition of the mixture?

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Important Questions on Some Basic Concepts of Chemistry

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Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry 1 NEET>Chapter 1 - Some Basic Concepts of Chemistry>TOPICWISE QUESTIONS>Q 79

A mixture of

CO

and

{CO}_{2}

contains

60 % CO

and the rest is

{CO}_{2}

. Two liters of this mixture is passed over red-hot charcoal. What is the volume after the reaction?

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Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry 1 NEET>Chapter 1 - Some Basic Concepts of Chemistry>TOPICWISE QUESTIONS>Q 80

23 g

of ethanol

(C_{2} H_{5} OH)

on reaction with ethanoic acid

({CH}_{3} COOH)

forms

44 g

of ethyl ethanoate

({CH}_{3} {COOC}_{2} H_{5})

and some weight of water. What is the percentage yield of the reaction?

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Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry 1 NEET>Chapter 1 - Some Basic Concepts of Chemistry>TOPICWISE QUESTIONS>Q 81

$1$ mole of ${}_{7}^{14}N^{- 3}$ ions contains:

a. $7 \times 6.023 \times 10^{23}$ electrons.

b. $7 \times 6.023 \times 10^{23}$ protons.

c. $10 \times 6.023 \times 10^{23}$ electrons.

d. $14 \times 6.023 \times 10^{23}$ protons.

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Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry 1 NEET>Chapter 1 - Some Basic Concepts of Chemistry>TOPICWISE QUESTIONS>Q 82

Which of the following set of compounds will contain an equal number of total electrons?

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Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry 1 NEET>Chapter 1 - Some Basic Concepts of Chemistry>TOPICWISE QUESTIONS>Q 83

Consider the following reaction:

$Zn + 2 HCl \overset{}{\to} {ZnCl}_{2} + H_{2}$

If $0.3$ mole of $Zn$ reacts with $0.52$ mole of $HCl$ , which is incorrect regarding the above reaction?

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Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry 1 NEET>Chapter 1 - Some Basic Concepts of Chemistry>TOPICWISE QUESTIONS>Q 84

1

mole of

N_{2}

and

44.8 L

of

H_{2}

at

STP

react to form which of the following?

HARD

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IMPORTANT

Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry 1 NEET>Chapter 1 - Some Basic Concepts of Chemistry>TOPICWISE QUESTIONS>Q 85

Water, on electrolysis, gives

H_{2}

and

O_{2}

. How much weight of the water should be electrolysed to get

33.6

liters of a gaseous mixture of

H_{2}

and

O_{2}

at

NTP

?