Empirical Formula and Molecular Formula
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CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

306613 A compound contains atoms of three elements in A, B and C. If the charge of A is +2, B is +5 and that of C is \({\rm{ - 2}}\), the possible formula of the compound is

1 \({{\rm{A}}_{\rm{3}}}{{\rm{(B}}{{\rm{C}}_{\rm{4}}}{\rm{)}}_{\rm{2}}}\)
2 \({{\rm{A}}_{\rm{3}}}{{\rm{(}}{{\rm{B}}_{\rm{4}}}{\rm{C)}}_{\rm{2}}}\)
3 \({\rm{AB}}{{\rm{C}}_{\rm{2}}}\)
4 \({{\rm{A}}_{\rm{2}}}{{\rm{(B}}{{\rm{C}}_{\rm{3}}}{\rm{)}}_{\rm{2}}}{\rm{.}}\)
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

306614 In a compound, A containing carbon, hydrogen, and oxygen, the \(\%\) of hydrogen is one sixth that of carbon which is 1.5 times that of oxygen. What is the simplest formula for the compound?

1 \(\mathrm{C}_{2} \mathrm{H}_{4} \mathrm{O}_{2}\)
2 \(\mathrm{C}_{2} \mathrm{H}_{4} \mathrm{O}\)
3 \(\mathrm{C}_{2} \mathrm{H}_{6} \mathrm{O}\)
4 \(\mathrm{CH}_{4} \mathrm{O}\)
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

306615 An organic compound contains C = 40%. H= 13.33% and N = 46.67%. Its emperical formula is

1 \({{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{2}}}{\rm{N}}\)
2 \({{\rm{C}}_{\rm{3}}}{{\rm{H}}_{\rm{7}}}{\rm{N}}\)
3 \({\rm{C}}{{\rm{H}}_{\rm{4}}}{\rm{N}}\)
4 \({\rm{CHN}}\)
KCET - 2016
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

306616 Compounds X and Y have same empirical formulae but different molecular formulae. Which of the following statements is true?

1 They differ in % composition
2 They have same vapour densities
3 They differ in their molecular masses
4 Both (1) and (3) are correct
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

306617 Two elements X (At. wt. = 75) and Y (At. wt. = 16) combine to give a compound having 75.8% of X. The formula of the compound is:

1 \({\rm{XY}}\)
2 \({{\rm{X}}_{\rm{2}}}{\rm{Y}}\)
3 \({{\rm{X}}_{\rm{2}}}{{\rm{Y}}_{\rm{2}}}\)
4 \({{\rm{X}}_{\rm{2}}}{{\rm{Y}}_{\rm{3}}}\)
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CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

306613 A compound contains atoms of three elements in A, B and C. If the charge of A is +2, B is +5 and that of C is \({\rm{ - 2}}\), the possible formula of the compound is

1 \({{\rm{A}}_{\rm{3}}}{{\rm{(B}}{{\rm{C}}_{\rm{4}}}{\rm{)}}_{\rm{2}}}\)
2 \({{\rm{A}}_{\rm{3}}}{{\rm{(}}{{\rm{B}}_{\rm{4}}}{\rm{C)}}_{\rm{2}}}\)
3 \({\rm{AB}}{{\rm{C}}_{\rm{2}}}\)
4 \({{\rm{A}}_{\rm{2}}}{{\rm{(B}}{{\rm{C}}_{\rm{3}}}{\rm{)}}_{\rm{2}}}{\rm{.}}\)
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

306614 In a compound, A containing carbon, hydrogen, and oxygen, the \(\%\) of hydrogen is one sixth that of carbon which is 1.5 times that of oxygen. What is the simplest formula for the compound?

1 \(\mathrm{C}_{2} \mathrm{H}_{4} \mathrm{O}_{2}\)
2 \(\mathrm{C}_{2} \mathrm{H}_{4} \mathrm{O}\)
3 \(\mathrm{C}_{2} \mathrm{H}_{6} \mathrm{O}\)
4 \(\mathrm{CH}_{4} \mathrm{O}\)
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

306615 An organic compound contains C = 40%. H= 13.33% and N = 46.67%. Its emperical formula is

1 \({{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{2}}}{\rm{N}}\)
2 \({{\rm{C}}_{\rm{3}}}{{\rm{H}}_{\rm{7}}}{\rm{N}}\)
3 \({\rm{C}}{{\rm{H}}_{\rm{4}}}{\rm{N}}\)
4 \({\rm{CHN}}\)
KCET - 2016
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

306616 Compounds X and Y have same empirical formulae but different molecular formulae. Which of the following statements is true?

1 They differ in % composition
2 They have same vapour densities
3 They differ in their molecular masses
4 Both (1) and (3) are correct
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

306617 Two elements X (At. wt. = 75) and Y (At. wt. = 16) combine to give a compound having 75.8% of X. The formula of the compound is:

1 \({\rm{XY}}\)
2 \({{\rm{X}}_{\rm{2}}}{\rm{Y}}\)
3 \({{\rm{X}}_{\rm{2}}}{{\rm{Y}}_{\rm{2}}}\)
4 \({{\rm{X}}_{\rm{2}}}{{\rm{Y}}_{\rm{3}}}\)
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CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

306613 A compound contains atoms of three elements in A, B and C. If the charge of A is +2, B is +5 and that of C is \({\rm{ - 2}}\), the possible formula of the compound is

1 \({{\rm{A}}_{\rm{3}}}{{\rm{(B}}{{\rm{C}}_{\rm{4}}}{\rm{)}}_{\rm{2}}}\)
2 \({{\rm{A}}_{\rm{3}}}{{\rm{(}}{{\rm{B}}_{\rm{4}}}{\rm{C)}}_{\rm{2}}}\)
3 \({\rm{AB}}{{\rm{C}}_{\rm{2}}}\)
4 \({{\rm{A}}_{\rm{2}}}{{\rm{(B}}{{\rm{C}}_{\rm{3}}}{\rm{)}}_{\rm{2}}}{\rm{.}}\)
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

306614 In a compound, A containing carbon, hydrogen, and oxygen, the \(\%\) of hydrogen is one sixth that of carbon which is 1.5 times that of oxygen. What is the simplest formula for the compound?

1 \(\mathrm{C}_{2} \mathrm{H}_{4} \mathrm{O}_{2}\)
2 \(\mathrm{C}_{2} \mathrm{H}_{4} \mathrm{O}\)
3 \(\mathrm{C}_{2} \mathrm{H}_{6} \mathrm{O}\)
4 \(\mathrm{CH}_{4} \mathrm{O}\)
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

306615 An organic compound contains C = 40%. H= 13.33% and N = 46.67%. Its emperical formula is

1 \({{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{2}}}{\rm{N}}\)
2 \({{\rm{C}}_{\rm{3}}}{{\rm{H}}_{\rm{7}}}{\rm{N}}\)
3 \({\rm{C}}{{\rm{H}}_{\rm{4}}}{\rm{N}}\)
4 \({\rm{CHN}}\)
KCET - 2016
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

306616 Compounds X and Y have same empirical formulae but different molecular formulae. Which of the following statements is true?

1 They differ in % composition
2 They have same vapour densities
3 They differ in their molecular masses
4 Both (1) and (3) are correct
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

306617 Two elements X (At. wt. = 75) and Y (At. wt. = 16) combine to give a compound having 75.8% of X. The formula of the compound is:

1 \({\rm{XY}}\)
2 \({{\rm{X}}_{\rm{2}}}{\rm{Y}}\)
3 \({{\rm{X}}_{\rm{2}}}{{\rm{Y}}_{\rm{2}}}\)
4 \({{\rm{X}}_{\rm{2}}}{{\rm{Y}}_{\rm{3}}}\)
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CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

306613 A compound contains atoms of three elements in A, B and C. If the charge of A is +2, B is +5 and that of C is \({\rm{ - 2}}\), the possible formula of the compound is

1 \({{\rm{A}}_{\rm{3}}}{{\rm{(B}}{{\rm{C}}_{\rm{4}}}{\rm{)}}_{\rm{2}}}\)
2 \({{\rm{A}}_{\rm{3}}}{{\rm{(}}{{\rm{B}}_{\rm{4}}}{\rm{C)}}_{\rm{2}}}\)
3 \({\rm{AB}}{{\rm{C}}_{\rm{2}}}\)
4 \({{\rm{A}}_{\rm{2}}}{{\rm{(B}}{{\rm{C}}_{\rm{3}}}{\rm{)}}_{\rm{2}}}{\rm{.}}\)
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

306614 In a compound, A containing carbon, hydrogen, and oxygen, the \(\%\) of hydrogen is one sixth that of carbon which is 1.5 times that of oxygen. What is the simplest formula for the compound?

1 \(\mathrm{C}_{2} \mathrm{H}_{4} \mathrm{O}_{2}\)
2 \(\mathrm{C}_{2} \mathrm{H}_{4} \mathrm{O}\)
3 \(\mathrm{C}_{2} \mathrm{H}_{6} \mathrm{O}\)
4 \(\mathrm{CH}_{4} \mathrm{O}\)
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

306615 An organic compound contains C = 40%. H= 13.33% and N = 46.67%. Its emperical formula is

1 \({{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{2}}}{\rm{N}}\)
2 \({{\rm{C}}_{\rm{3}}}{{\rm{H}}_{\rm{7}}}{\rm{N}}\)
3 \({\rm{C}}{{\rm{H}}_{\rm{4}}}{\rm{N}}\)
4 \({\rm{CHN}}\)
KCET - 2016
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

306616 Compounds X and Y have same empirical formulae but different molecular formulae. Which of the following statements is true?

1 They differ in % composition
2 They have same vapour densities
3 They differ in their molecular masses
4 Both (1) and (3) are correct
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

306617 Two elements X (At. wt. = 75) and Y (At. wt. = 16) combine to give a compound having 75.8% of X. The formula of the compound is:

1 \({\rm{XY}}\)
2 \({{\rm{X}}_{\rm{2}}}{\rm{Y}}\)
3 \({{\rm{X}}_{\rm{2}}}{{\rm{Y}}_{\rm{2}}}\)
4 \({{\rm{X}}_{\rm{2}}}{{\rm{Y}}_{\rm{3}}}\)
NEET DIGITAL LIBRARY
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

306613 A compound contains atoms of three elements in A, B and C. If the charge of A is +2, B is +5 and that of C is \({\rm{ - 2}}\), the possible formula of the compound is

1 \({{\rm{A}}_{\rm{3}}}{{\rm{(B}}{{\rm{C}}_{\rm{4}}}{\rm{)}}_{\rm{2}}}\)
2 \({{\rm{A}}_{\rm{3}}}{{\rm{(}}{{\rm{B}}_{\rm{4}}}{\rm{C)}}_{\rm{2}}}\)
3 \({\rm{AB}}{{\rm{C}}_{\rm{2}}}\)
4 \({{\rm{A}}_{\rm{2}}}{{\rm{(B}}{{\rm{C}}_{\rm{3}}}{\rm{)}}_{\rm{2}}}{\rm{.}}\)
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

306614 In a compound, A containing carbon, hydrogen, and oxygen, the \(\%\) of hydrogen is one sixth that of carbon which is 1.5 times that of oxygen. What is the simplest formula for the compound?

1 \(\mathrm{C}_{2} \mathrm{H}_{4} \mathrm{O}_{2}\)
2 \(\mathrm{C}_{2} \mathrm{H}_{4} \mathrm{O}\)
3 \(\mathrm{C}_{2} \mathrm{H}_{6} \mathrm{O}\)
4 \(\mathrm{CH}_{4} \mathrm{O}\)
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

306615 An organic compound contains C = 40%. H= 13.33% and N = 46.67%. Its emperical formula is

1 \({{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{2}}}{\rm{N}}\)
2 \({{\rm{C}}_{\rm{3}}}{{\rm{H}}_{\rm{7}}}{\rm{N}}\)
3 \({\rm{C}}{{\rm{H}}_{\rm{4}}}{\rm{N}}\)
4 \({\rm{CHN}}\)
KCET - 2016
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

306616 Compounds X and Y have same empirical formulae but different molecular formulae. Which of the following statements is true?

1 They differ in % composition
2 They have same vapour densities
3 They differ in their molecular masses
4 Both (1) and (3) are correct
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

306617 Two elements X (At. wt. = 75) and Y (At. wt. = 16) combine to give a compound having 75.8% of X. The formula of the compound is:

1 \({\rm{XY}}\)
2 \({{\rm{X}}_{\rm{2}}}{\rm{Y}}\)
3 \({{\rm{X}}_{\rm{2}}}{{\rm{Y}}_{\rm{2}}}\)
4 \({{\rm{X}}_{\rm{2}}}{{\rm{Y}}_{\rm{3}}}\)