Chemistry Crash Course BITSAT>Chapter 1 - Mole Concept>Exercise 1>Q 76

MEDIUM

Chemistry

IMPORTANT

Earn 100

What weights of $P_{4} O_{6}$ and $P_{4} O_{10}$ will be produced by the combustion of $31 g$ of $P_{4}$ in $32 g$ of oxygen leaving no $P_{4}$ and $O_{2}$ .

50% studentsanswered this correctly

Important Questions on Mole Concept

MEDIUM

Chemistry

IMPORTANT

Chemistry Crash Course BITSAT>Chapter 1 - Mole Concept>Exercise 1>Q 77

The number of molecules of the sweetener saccharin, which can be prepared

Question Image

from

30 C - atoms, 25 H - atoms, 12 O - atoms, 8 S - atoms and 14 N - atoms

is

MEDIUM

Chemistry

IMPORTANT

Chemistry Crash Course BITSAT>Chapter 1 - Mole Concept>Exercise 1>Q 78

The volume of

0.1 M

HCl

required to neutralise

2 g

of an equimolar mixture of

{Na}_{2} {CO}_{3}

and

{NaHCO}_{3}

completely is

MEDIUM

Chemistry

IMPORTANT

Chemistry Crash Course BITSAT>Chapter 1 - Mole Concept>Exercise 1>Q 79

At high temperature,

S_{4} N_{4}

decomposes into sulphur vapour and nitrogen. If

1 mL

of

S_{4} N_{4}

is decomposed and

2.5 mL

of mixture are obtained, the formula of sulphur vapour is:

MEDIUM

Chemistry

IMPORTANT

Chemistry Crash Course BITSAT>Chapter 1 - Mole Concept>Exercise 1>Q 80

What volume of hydrogen gas at

273 K

and

1 atm

pressure will be consumed in obtaining

21.6 g

of elemental boron (atomic mass

= 10.8

) from the reduction of

{BCl}_{3}

by hydrogen?

MEDIUM

Chemistry

IMPORTANT

Chemistry Crash Course BITSAT>Chapter 1 - Mole Concept>Exercise 1>Q 81

From the following reaction sequences:

$2 A \to B + C$

$5 B + D \to 2 E + F$

$E + G \to 4 H + J$

Calculate the moles of $H$ produced by $10$ moles of $A$ .

MEDIUM

Chemistry

IMPORTANT

Chemistry Crash Course BITSAT>Chapter 1 - Mole Concept>Exercise 1>Q 82

100 mL

of an

O_{2} - O_{3}

mixture was passed through turpentine, and

20 mL

was reduced. If

100 mL

of such a mixture is heated, then the increase in volume will be

MEDIUM

Chemistry

IMPORTANT

Chemistry Crash Course BITSAT>Chapter 1 - Mole Concept>Exercise 1>Q 83

If

0.5 mol

of

{BaCl}_{2}

is mixed with

0.2 mol

of

{Na}_{3} {PO}_{4},

the maximum number of moles of

{Ba}_{3} {({PO}_{4})}_{2}

that can be formed is.

MEDIUM

Chemistry

IMPORTANT

Chemistry Crash Course BITSAT>Chapter 1 - Mole Concept>Exercise 1>Q 85

If

0.5

mole of

{BaCl}_{2}

is mixed with

0.2

mole of

{Na}_{3} {PO}_{4}

, the maximum number of moles of

{Ba}_{3} {({PO}_{4})}_{2}

that can be formed are: