NEET UG CHEMISTRY MCQ: SOME BASIC CONCEPTS OF CHEMISTRY

1 Hard

1 of 1

Application +4 | -1

Two elements

X

and

Y

combine to form two compounds

{X}_2 {Y}_3

and

{XY}_2

. If

3.01 \times 10^{23}

molecules of

{X}_2 {Y}_3

weigh

85 \mathrm{~g}

and atomic mass of

{Y}

is 30 , then find number of moles in

5 \mathrm{~g}

{XY}_2

View answer and explanation

Correct option: B

0.05

Option B (0.05) is correct. By calculating the molar mass of X and using the given information, we can determine the number of moles in 5g of

{XY}_2

More Questions from SOME BASIC CONCEPTS OF CHEMISTRY