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TEST SERIES (CHEMISTRY FST)

263869 Given below are two statements: Statement I: Lesser the lattice enthalpy more stable will be ionic compound. Statement II : The lattice enthalpy is greater for ions of highest charge and smaller radii. In the light of the above statements, choose the most appropriate answer from the options given below :

1 Both Statement I and Statement II are incorrect

2 Statement I is correct but Statement II is incorrect

3 Statement I is incorrect but Statement II is correct

4 Both Statement I and Statement II are correct.

NCERT-XI-179

TEST SERIES (CHEMISTRY FST)

263870 The highest number of hydrogen molecules are present in :

1 2 u of hydrogen

2

2 g

of hydrogen

3 11.2 lit at

H_{2}

at STP

4 2 mole of hydrogen

Explanation:

d
2 mole of hydrogen
2 mole $H_{2} = 2 N_{g}$ molecules
$2 U H_{2} = 1$ molecule
$2 g H_{2} = N_{A}$ molecule

NCERT-XI-18

TEST SERIES (CHEMISTRY FST)

263871 The d-orbital involved in the hybridisation of ${SF}_{g}$ :

1

d_{x^{2} - y^{2}}

2

d x

3

d_{I^{*}}

4

d_{x^{2} - y^{2}}

and

d_{X^{2}}

Explanation:

d
The d-arbital inwolved in ${sp}^{3} d^{2}$ hybridisation is $d_{r^{'}}$ and $d_{32 - y 2}$

NCERT-XI-125

TEST SERIES (CHEMISTRY FST)

263872 In a reversible isothermal process, the change in internal energy is :

1 positive

2 negative

3 Zero

4 May be -ve or +ve

NCERT-XI-163

TEST SERIES (CHEMISTRY FST)

263873

1 Position Isomers

2 Chain isomers

3 Metamers

4 Both (a.) and (c.)

NCERT-XI-270

TEST SERIES (CHEMISTRY FST)

263869 Given below are two statements: Statement I: Lesser the lattice enthalpy more stable will be ionic compound. Statement II : The lattice enthalpy is greater for ions of highest charge and smaller radii. In the light of the above statements, choose the most appropriate answer from the options given below :

1 Both Statement I and Statement II are incorrect

2 Statement I is correct but Statement II is incorrect

3 Statement I is incorrect but Statement II is correct

4 Both Statement I and Statement II are correct.

NCERT-XI-179

TEST SERIES (CHEMISTRY FST)

263870 The highest number of hydrogen molecules are present in :

1 2 u of hydrogen

2

2 g

of hydrogen

3 11.2 lit at

H_{2}

at STP

4 2 mole of hydrogen

Explanation:

d
2 mole of hydrogen
2 mole $H_{2} = 2 N_{g}$ molecules
$2 U H_{2} = 1$ molecule
$2 g H_{2} = N_{A}$ molecule

NCERT-XI-18

TEST SERIES (CHEMISTRY FST)

263871 The d-orbital involved in the hybridisation of ${SF}_{g}$ :

1

d_{x^{2} - y^{2}}

2

d x

3

d_{I^{*}}

4

d_{x^{2} - y^{2}}

and

d_{X^{2}}

Explanation:

d
The d-arbital inwolved in ${sp}^{3} d^{2}$ hybridisation is $d_{r^{'}}$ and $d_{32 - y 2}$

NCERT-XI-125

TEST SERIES (CHEMISTRY FST)

263872 In a reversible isothermal process, the change in internal energy is :

1 positive

2 negative

3 Zero

4 May be -ve or +ve

NCERT-XI-163

TEST SERIES (CHEMISTRY FST)

263873

1 Position Isomers

2 Chain isomers

3 Metamers

4 Both (a.) and (c.)

NCERT-XI-270

TEST SERIES (CHEMISTRY FST)

263869 Given below are two statements: Statement I: Lesser the lattice enthalpy more stable will be ionic compound. Statement II : The lattice enthalpy is greater for ions of highest charge and smaller radii. In the light of the above statements, choose the most appropriate answer from the options given below :

1 Both Statement I and Statement II are incorrect

2 Statement I is correct but Statement II is incorrect

3 Statement I is incorrect but Statement II is correct

4 Both Statement I and Statement II are correct.

NCERT-XI-179

TEST SERIES (CHEMISTRY FST)

263870 The highest number of hydrogen molecules are present in :

1 2 u of hydrogen

2

2 g

of hydrogen

3 11.2 lit at

H_{2}

at STP

4 2 mole of hydrogen

Explanation:

d
2 mole of hydrogen
2 mole $H_{2} = 2 N_{g}$ molecules
$2 U H_{2} = 1$ molecule
$2 g H_{2} = N_{A}$ molecule

NCERT-XI-18

TEST SERIES (CHEMISTRY FST)

263871 The d-orbital involved in the hybridisation of ${SF}_{g}$ :

1

d_{x^{2} - y^{2}}

2

d x

3

d_{I^{*}}

4

d_{x^{2} - y^{2}}

and

d_{X^{2}}

Explanation:

d
The d-arbital inwolved in ${sp}^{3} d^{2}$ hybridisation is $d_{r^{'}}$ and $d_{32 - y 2}$

NCERT-XI-125

TEST SERIES (CHEMISTRY FST)

263872 In a reversible isothermal process, the change in internal energy is :

1 positive

2 negative

3 Zero

4 May be -ve or +ve

NCERT-XI-163

TEST SERIES (CHEMISTRY FST)

263873

1 Position Isomers

2 Chain isomers

3 Metamers

4 Both (a.) and (c.)

NCERT-XI-270

TEST SERIES (CHEMISTRY FST)

263869 Given below are two statements: Statement I: Lesser the lattice enthalpy more stable will be ionic compound. Statement II : The lattice enthalpy is greater for ions of highest charge and smaller radii. In the light of the above statements, choose the most appropriate answer from the options given below :

1 Both Statement I and Statement II are incorrect

2 Statement I is correct but Statement II is incorrect

3 Statement I is incorrect but Statement II is correct

4 Both Statement I and Statement II are correct.

NCERT-XI-179

TEST SERIES (CHEMISTRY FST)

263870 The highest number of hydrogen molecules are present in :

1 2 u of hydrogen

2

2 g

of hydrogen

3 11.2 lit at

H_{2}

at STP

4 2 mole of hydrogen

Explanation:

d
2 mole of hydrogen
2 mole $H_{2} = 2 N_{g}$ molecules
$2 U H_{2} = 1$ molecule
$2 g H_{2} = N_{A}$ molecule

NCERT-XI-18

TEST SERIES (CHEMISTRY FST)

263871 The d-orbital involved in the hybridisation of ${SF}_{g}$ :

1

d_{x^{2} - y^{2}}

2

d x

3

d_{I^{*}}

4

d_{x^{2} - y^{2}}

and

d_{X^{2}}

Explanation:

d
The d-arbital inwolved in ${sp}^{3} d^{2}$ hybridisation is $d_{r^{'}}$ and $d_{32 - y 2}$

NCERT-XI-125

TEST SERIES (CHEMISTRY FST)

263872 In a reversible isothermal process, the change in internal energy is :

1 positive

2 negative

3 Zero

4 May be -ve or +ve

NCERT-XI-163

TEST SERIES (CHEMISTRY FST)

263873

1 Position Isomers

2 Chain isomers

3 Metamers

4 Both (a.) and (c.)

NCERT-XI-270

TEST SERIES (CHEMISTRY FST)

263869 Given below are two statements: Statement I: Lesser the lattice enthalpy more stable will be ionic compound. Statement II : The lattice enthalpy is greater for ions of highest charge and smaller radii. In the light of the above statements, choose the most appropriate answer from the options given below :

1 Both Statement I and Statement II are incorrect

2 Statement I is correct but Statement II is incorrect

3 Statement I is incorrect but Statement II is correct

4 Both Statement I and Statement II are correct.

NCERT-XI-179

TEST SERIES (CHEMISTRY FST)

263870 The highest number of hydrogen molecules are present in :

1 2 u of hydrogen

2

2 g

of hydrogen

3 11.2 lit at

H_{2}

at STP

4 2 mole of hydrogen

Explanation:

d
2 mole of hydrogen
2 mole $H_{2} = 2 N_{g}$ molecules
$2 U H_{2} = 1$ molecule
$2 g H_{2} = N_{A}$ molecule

NCERT-XI-18

TEST SERIES (CHEMISTRY FST)

263871 The d-orbital involved in the hybridisation of ${SF}_{g}$ :

1

d_{x^{2} - y^{2}}

2

d x

3

d_{I^{*}}

4

d_{x^{2} - y^{2}}

and

d_{X^{2}}

Explanation:

d
The d-arbital inwolved in ${sp}^{3} d^{2}$ hybridisation is $d_{r^{'}}$ and $d_{32 - y 2}$

NCERT-XI-125

TEST SERIES (CHEMISTRY FST)

263872 In a reversible isothermal process, the change in internal energy is :

1 positive

2 negative

3 Zero

4 May be -ve or +ve

NCERT-XI-163

TEST SERIES (CHEMISTRY FST)

263873

1 Position Isomers

2 Chain isomers

3 Metamers

4 Both (a.) and (c.)

NCERT-XI-270

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