NEET Chemistry Some Basic Concepts in Chemistry Mole Concept MCQs

Same proton number

Same electronic configuration

Same electron number

Same size

$6.02 imes {10^{23}}$ atoms of H

4 g.atom of Hydrogen

$1.81 imes {10^{23}}$ molecules of $C{H_4}$

3.0 g of carbon

36 g of water

28 g of carbon monoxide

46 g of ethyl alcohol

54 g of Nitrogen pentoxide

Twice that in 60 g carbon

$6.023 imes {10^{22}}$

Half in 8 gr of He

$558.5 imes 6.023 imes {10^{23}}$

CO2

O2

Air (approximately)

H2

$26.9 imes {10^{18}}$ molecules

$2.69 imes {10^{19}}$ molecules

$2.69 imes {10^{18}}$ molecules

$26.9 imes {10^{19}}$ molecules

40 g

4 g

0.4

400

$7.22 imes {10^{24}}$ atoms

$7.22 imes {10^{23}}$ atoms

$7.22 imes {10^{25}}$ atoms

All of these

18 ml of water

0.18 g of water

0.00224 L of water vapour at 1 atm and 273 K

${10^{ - 3}}$ mol of water

$\frac{1}{2}$ mol

1 mol

2 mol

5 mol