Stoichiometry and its Calculations
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CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307041 How many moles of potassium chlorate to be heated to produce 11.2 litre oxygen?

1 \(\frac{{\rm{1}}}{{\rm{2}}}{\mkern 1mu} {\mkern 1mu} {\rm{mol}}\)
2 \(\frac{{\rm{1}}}{{\rm{3}}}{\mkern 1mu} {\mkern 1mu} {\rm{mol}}\)
3 \(\frac{{\rm{1}}}{{\rm{4}}}{\mkern 1mu} {\mkern 1mu} {\rm{mol}}\)
4 \(\frac{{\rm{2}}}{{\rm{3}}}{\mkern 1mu} {\mkern 1mu} {\rm{mol}}\)
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307042 What is the amount of water formed by combustion of \(\mathrm{1.6 \mathrm{~g}}\) methane ?

1 \(\mathrm{3.2 \mathrm{~g}}\)
2 \(\mathrm{16 \mathrm{~g}}\)
3 \(\mathrm{6.2 \mathrm{~g}}\)
4 \(\mathrm{3.6 \mathrm{~g}}\)
MHTCET - 2022
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307043 In the reaction:
\({\rm{2A}}{{\rm{l}}_{{\rm{(s)}}}}{\rm{ + 6HC}}{{\rm{l}}_{{\rm{(aq)}}}} \to {\rm{2Al}}_{{\rm{(aq)}}}^{{\rm{3 + }}}{\rm{ + 6Cl}}_{{\rm{(aq)}}}^{\rm{ - }}{\rm{ + 3}}{{\rm{H}}_{{\rm{2(g)}}}}\)

1 \({\rm{6L}}{\mkern 1mu} {\mkern 1mu} {\rm{HCl(aq)}}\) is consumed for every \({\rm{3L}}{\mkern 1mu} {\mkern 1mu} {{\rm{H}}_{{\rm{2(g)}}}}\) produced
2 \({\rm{22}}{\rm{.4}}{\mkern 1mu} {\mkern 1mu} {\rm{L}}{\mkern 1mu} {\mkern 1mu} {{\rm{H}}_{{\rm{2(g)}}}}\) at STP is produced for every mole Al that reacts
3 \({\rm{67}}{\rm{.2L}}{\mkern 1mu} {\mkern 1mu} {{\rm{H}}_{{\rm{2(g)}}}}\) at STP is produced for every mole Al that reacts
4 \({\rm{11}}{\rm{.2L}}{\mkern 1mu} {\mkern 1mu} {{\rm{H}}_{{\rm{2(g)}}}}\) at STP is produced for every mole HCl(aq) consumed
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307044 \({H_3}B{O_3}\) on heating decomposes in two ways :
I. \({{\rm{H}}_{\rm{3}}}{\rm{B}}{{\rm{O}}_{\rm{3}}} \to {\rm{HB}}{{\rm{O}}_{\rm{2}}}{\rm{ + }}{{\rm{H}}_{\rm{2}}}{\rm{O}}\)
II. \({{\rm{H}}_{\rm{3}}}{\rm{B}}{{\rm{O}}_{\rm{3}}} \to {{\rm{B}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}{\rm{ + }}{{\rm{H}}_{\rm{2}}}{\rm{O}}\)
If 9 moles of \({{\rm{H}}_{\rm{3}}}{\rm{B}}{{\rm{O}}_{\rm{3}}}\) are taken, some part decomposed like (I) and remaining like (II). If total 11 moles of water are formed, the moles of \({{\rm{B}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}\) formed is

1 6
2 5
3 3
4 2
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307046 5 L of an alkane requires 25 L of oxygen for its complete combustion. If all volumes are measured at constant temperature and pressure, the alkane is:

1 Isobutane
2 Ethane
3 Butane
4 Propane
JEE - 2016
Join With Us for More Updates
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307041 How many moles of potassium chlorate to be heated to produce 11.2 litre oxygen?

1 \(\frac{{\rm{1}}}{{\rm{2}}}{\mkern 1mu} {\mkern 1mu} {\rm{mol}}\)
2 \(\frac{{\rm{1}}}{{\rm{3}}}{\mkern 1mu} {\mkern 1mu} {\rm{mol}}\)
3 \(\frac{{\rm{1}}}{{\rm{4}}}{\mkern 1mu} {\mkern 1mu} {\rm{mol}}\)
4 \(\frac{{\rm{2}}}{{\rm{3}}}{\mkern 1mu} {\mkern 1mu} {\rm{mol}}\)
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307042 What is the amount of water formed by combustion of \(\mathrm{1.6 \mathrm{~g}}\) methane ?

1 \(\mathrm{3.2 \mathrm{~g}}\)
2 \(\mathrm{16 \mathrm{~g}}\)
3 \(\mathrm{6.2 \mathrm{~g}}\)
4 \(\mathrm{3.6 \mathrm{~g}}\)
MHTCET - 2022
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307043 In the reaction:
\({\rm{2A}}{{\rm{l}}_{{\rm{(s)}}}}{\rm{ + 6HC}}{{\rm{l}}_{{\rm{(aq)}}}} \to {\rm{2Al}}_{{\rm{(aq)}}}^{{\rm{3 + }}}{\rm{ + 6Cl}}_{{\rm{(aq)}}}^{\rm{ - }}{\rm{ + 3}}{{\rm{H}}_{{\rm{2(g)}}}}\)

1 \({\rm{6L}}{\mkern 1mu} {\mkern 1mu} {\rm{HCl(aq)}}\) is consumed for every \({\rm{3L}}{\mkern 1mu} {\mkern 1mu} {{\rm{H}}_{{\rm{2(g)}}}}\) produced
2 \({\rm{22}}{\rm{.4}}{\mkern 1mu} {\mkern 1mu} {\rm{L}}{\mkern 1mu} {\mkern 1mu} {{\rm{H}}_{{\rm{2(g)}}}}\) at STP is produced for every mole Al that reacts
3 \({\rm{67}}{\rm{.2L}}{\mkern 1mu} {\mkern 1mu} {{\rm{H}}_{{\rm{2(g)}}}}\) at STP is produced for every mole Al that reacts
4 \({\rm{11}}{\rm{.2L}}{\mkern 1mu} {\mkern 1mu} {{\rm{H}}_{{\rm{2(g)}}}}\) at STP is produced for every mole HCl(aq) consumed
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307044 \({H_3}B{O_3}\) on heating decomposes in two ways :
I. \({{\rm{H}}_{\rm{3}}}{\rm{B}}{{\rm{O}}_{\rm{3}}} \to {\rm{HB}}{{\rm{O}}_{\rm{2}}}{\rm{ + }}{{\rm{H}}_{\rm{2}}}{\rm{O}}\)
II. \({{\rm{H}}_{\rm{3}}}{\rm{B}}{{\rm{O}}_{\rm{3}}} \to {{\rm{B}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}{\rm{ + }}{{\rm{H}}_{\rm{2}}}{\rm{O}}\)
If 9 moles of \({{\rm{H}}_{\rm{3}}}{\rm{B}}{{\rm{O}}_{\rm{3}}}\) are taken, some part decomposed like (I) and remaining like (II). If total 11 moles of water are formed, the moles of \({{\rm{B}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}\) formed is

1 6
2 5
3 3
4 2
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307046 5 L of an alkane requires 25 L of oxygen for its complete combustion. If all volumes are measured at constant temperature and pressure, the alkane is:

1 Isobutane
2 Ethane
3 Butane
4 Propane
JEE - 2016
For More Updates join with Us
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CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307041 How many moles of potassium chlorate to be heated to produce 11.2 litre oxygen?

1 \(\frac{{\rm{1}}}{{\rm{2}}}{\mkern 1mu} {\mkern 1mu} {\rm{mol}}\)
2 \(\frac{{\rm{1}}}{{\rm{3}}}{\mkern 1mu} {\mkern 1mu} {\rm{mol}}\)
3 \(\frac{{\rm{1}}}{{\rm{4}}}{\mkern 1mu} {\mkern 1mu} {\rm{mol}}\)
4 \(\frac{{\rm{2}}}{{\rm{3}}}{\mkern 1mu} {\mkern 1mu} {\rm{mol}}\)
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307042 What is the amount of water formed by combustion of \(\mathrm{1.6 \mathrm{~g}}\) methane ?

1 \(\mathrm{3.2 \mathrm{~g}}\)
2 \(\mathrm{16 \mathrm{~g}}\)
3 \(\mathrm{6.2 \mathrm{~g}}\)
4 \(\mathrm{3.6 \mathrm{~g}}\)
MHTCET - 2022
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307043 In the reaction:
\({\rm{2A}}{{\rm{l}}_{{\rm{(s)}}}}{\rm{ + 6HC}}{{\rm{l}}_{{\rm{(aq)}}}} \to {\rm{2Al}}_{{\rm{(aq)}}}^{{\rm{3 + }}}{\rm{ + 6Cl}}_{{\rm{(aq)}}}^{\rm{ - }}{\rm{ + 3}}{{\rm{H}}_{{\rm{2(g)}}}}\)

1 \({\rm{6L}}{\mkern 1mu} {\mkern 1mu} {\rm{HCl(aq)}}\) is consumed for every \({\rm{3L}}{\mkern 1mu} {\mkern 1mu} {{\rm{H}}_{{\rm{2(g)}}}}\) produced
2 \({\rm{22}}{\rm{.4}}{\mkern 1mu} {\mkern 1mu} {\rm{L}}{\mkern 1mu} {\mkern 1mu} {{\rm{H}}_{{\rm{2(g)}}}}\) at STP is produced for every mole Al that reacts
3 \({\rm{67}}{\rm{.2L}}{\mkern 1mu} {\mkern 1mu} {{\rm{H}}_{{\rm{2(g)}}}}\) at STP is produced for every mole Al that reacts
4 \({\rm{11}}{\rm{.2L}}{\mkern 1mu} {\mkern 1mu} {{\rm{H}}_{{\rm{2(g)}}}}\) at STP is produced for every mole HCl(aq) consumed
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307044 \({H_3}B{O_3}\) on heating decomposes in two ways :
I. \({{\rm{H}}_{\rm{3}}}{\rm{B}}{{\rm{O}}_{\rm{3}}} \to {\rm{HB}}{{\rm{O}}_{\rm{2}}}{\rm{ + }}{{\rm{H}}_{\rm{2}}}{\rm{O}}\)
II. \({{\rm{H}}_{\rm{3}}}{\rm{B}}{{\rm{O}}_{\rm{3}}} \to {{\rm{B}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}{\rm{ + }}{{\rm{H}}_{\rm{2}}}{\rm{O}}\)
If 9 moles of \({{\rm{H}}_{\rm{3}}}{\rm{B}}{{\rm{O}}_{\rm{3}}}\) are taken, some part decomposed like (I) and remaining like (II). If total 11 moles of water are formed, the moles of \({{\rm{B}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}\) formed is

1 6
2 5
3 3
4 2
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307046 5 L of an alkane requires 25 L of oxygen for its complete combustion. If all volumes are measured at constant temperature and pressure, the alkane is:

1 Isobutane
2 Ethane
3 Butane
4 Propane
JEE - 2016
NEET DIGITAL LIBRARY
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307041 How many moles of potassium chlorate to be heated to produce 11.2 litre oxygen?

1 \(\frac{{\rm{1}}}{{\rm{2}}}{\mkern 1mu} {\mkern 1mu} {\rm{mol}}\)
2 \(\frac{{\rm{1}}}{{\rm{3}}}{\mkern 1mu} {\mkern 1mu} {\rm{mol}}\)
3 \(\frac{{\rm{1}}}{{\rm{4}}}{\mkern 1mu} {\mkern 1mu} {\rm{mol}}\)
4 \(\frac{{\rm{2}}}{{\rm{3}}}{\mkern 1mu} {\mkern 1mu} {\rm{mol}}\)
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307042 What is the amount of water formed by combustion of \(\mathrm{1.6 \mathrm{~g}}\) methane ?

1 \(\mathrm{3.2 \mathrm{~g}}\)
2 \(\mathrm{16 \mathrm{~g}}\)
3 \(\mathrm{6.2 \mathrm{~g}}\)
4 \(\mathrm{3.6 \mathrm{~g}}\)
MHTCET - 2022
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307043 In the reaction:
\({\rm{2A}}{{\rm{l}}_{{\rm{(s)}}}}{\rm{ + 6HC}}{{\rm{l}}_{{\rm{(aq)}}}} \to {\rm{2Al}}_{{\rm{(aq)}}}^{{\rm{3 + }}}{\rm{ + 6Cl}}_{{\rm{(aq)}}}^{\rm{ - }}{\rm{ + 3}}{{\rm{H}}_{{\rm{2(g)}}}}\)

1 \({\rm{6L}}{\mkern 1mu} {\mkern 1mu} {\rm{HCl(aq)}}\) is consumed for every \({\rm{3L}}{\mkern 1mu} {\mkern 1mu} {{\rm{H}}_{{\rm{2(g)}}}}\) produced
2 \({\rm{22}}{\rm{.4}}{\mkern 1mu} {\mkern 1mu} {\rm{L}}{\mkern 1mu} {\mkern 1mu} {{\rm{H}}_{{\rm{2(g)}}}}\) at STP is produced for every mole Al that reacts
3 \({\rm{67}}{\rm{.2L}}{\mkern 1mu} {\mkern 1mu} {{\rm{H}}_{{\rm{2(g)}}}}\) at STP is produced for every mole Al that reacts
4 \({\rm{11}}{\rm{.2L}}{\mkern 1mu} {\mkern 1mu} {{\rm{H}}_{{\rm{2(g)}}}}\) at STP is produced for every mole HCl(aq) consumed
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307044 \({H_3}B{O_3}\) on heating decomposes in two ways :
I. \({{\rm{H}}_{\rm{3}}}{\rm{B}}{{\rm{O}}_{\rm{3}}} \to {\rm{HB}}{{\rm{O}}_{\rm{2}}}{\rm{ + }}{{\rm{H}}_{\rm{2}}}{\rm{O}}\)
II. \({{\rm{H}}_{\rm{3}}}{\rm{B}}{{\rm{O}}_{\rm{3}}} \to {{\rm{B}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}{\rm{ + }}{{\rm{H}}_{\rm{2}}}{\rm{O}}\)
If 9 moles of \({{\rm{H}}_{\rm{3}}}{\rm{B}}{{\rm{O}}_{\rm{3}}}\) are taken, some part decomposed like (I) and remaining like (II). If total 11 moles of water are formed, the moles of \({{\rm{B}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}\) formed is

1 6
2 5
3 3
4 2
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307046 5 L of an alkane requires 25 L of oxygen for its complete combustion. If all volumes are measured at constant temperature and pressure, the alkane is:

1 Isobutane
2 Ethane
3 Butane
4 Propane
JEE - 2016
Join With Us for More Updates
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307041 How many moles of potassium chlorate to be heated to produce 11.2 litre oxygen?

1 \(\frac{{\rm{1}}}{{\rm{2}}}{\mkern 1mu} {\mkern 1mu} {\rm{mol}}\)
2 \(\frac{{\rm{1}}}{{\rm{3}}}{\mkern 1mu} {\mkern 1mu} {\rm{mol}}\)
3 \(\frac{{\rm{1}}}{{\rm{4}}}{\mkern 1mu} {\mkern 1mu} {\rm{mol}}\)
4 \(\frac{{\rm{2}}}{{\rm{3}}}{\mkern 1mu} {\mkern 1mu} {\rm{mol}}\)
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307042 What is the amount of water formed by combustion of \(\mathrm{1.6 \mathrm{~g}}\) methane ?

1 \(\mathrm{3.2 \mathrm{~g}}\)
2 \(\mathrm{16 \mathrm{~g}}\)
3 \(\mathrm{6.2 \mathrm{~g}}\)
4 \(\mathrm{3.6 \mathrm{~g}}\)
MHTCET - 2022
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307043 In the reaction:
\({\rm{2A}}{{\rm{l}}_{{\rm{(s)}}}}{\rm{ + 6HC}}{{\rm{l}}_{{\rm{(aq)}}}} \to {\rm{2Al}}_{{\rm{(aq)}}}^{{\rm{3 + }}}{\rm{ + 6Cl}}_{{\rm{(aq)}}}^{\rm{ - }}{\rm{ + 3}}{{\rm{H}}_{{\rm{2(g)}}}}\)

1 \({\rm{6L}}{\mkern 1mu} {\mkern 1mu} {\rm{HCl(aq)}}\) is consumed for every \({\rm{3L}}{\mkern 1mu} {\mkern 1mu} {{\rm{H}}_{{\rm{2(g)}}}}\) produced
2 \({\rm{22}}{\rm{.4}}{\mkern 1mu} {\mkern 1mu} {\rm{L}}{\mkern 1mu} {\mkern 1mu} {{\rm{H}}_{{\rm{2(g)}}}}\) at STP is produced for every mole Al that reacts
3 \({\rm{67}}{\rm{.2L}}{\mkern 1mu} {\mkern 1mu} {{\rm{H}}_{{\rm{2(g)}}}}\) at STP is produced for every mole Al that reacts
4 \({\rm{11}}{\rm{.2L}}{\mkern 1mu} {\mkern 1mu} {{\rm{H}}_{{\rm{2(g)}}}}\) at STP is produced for every mole HCl(aq) consumed
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307044 \({H_3}B{O_3}\) on heating decomposes in two ways :
I. \({{\rm{H}}_{\rm{3}}}{\rm{B}}{{\rm{O}}_{\rm{3}}} \to {\rm{HB}}{{\rm{O}}_{\rm{2}}}{\rm{ + }}{{\rm{H}}_{\rm{2}}}{\rm{O}}\)
II. \({{\rm{H}}_{\rm{3}}}{\rm{B}}{{\rm{O}}_{\rm{3}}} \to {{\rm{B}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}{\rm{ + }}{{\rm{H}}_{\rm{2}}}{\rm{O}}\)
If 9 moles of \({{\rm{H}}_{\rm{3}}}{\rm{B}}{{\rm{O}}_{\rm{3}}}\) are taken, some part decomposed like (I) and remaining like (II). If total 11 moles of water are formed, the moles of \({{\rm{B}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}\) formed is

1 6
2 5
3 3
4 2
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307046 5 L of an alkane requires 25 L of oxygen for its complete combustion. If all volumes are measured at constant temperature and pressure, the alkane is:

1 Isobutane
2 Ethane
3 Butane
4 Propane
JEE - 2016