Home
Class 11
CHEMISTRY
Statement -1: Enthalpy and entropy of an...

Statement -1: Enthalpy and entropy of any elements substance in the standard states are taken as zero .
Statement-2: At absolute zero , particles of the perfectly crystalline substance become completely motionless.
(a)If both the statements are TRUE and STATEMENT-2 is the correct explanation of STATEMENT-9
(b)If both the statements are TRUE but STATEMENT-2 is NOT the correct explanation of STATEMENT-9
(c)If STATEMENT-1 is TRUE and STATEMENT-2 is FALSE
(d)If STATEMENT-1 is FALSE and STATEMENT-2 is TRUE

A

If both the statements are TRUE and STATEMENT-2 is the correct explanation of STATEMENT-9

B

If both the statements are TRUE but STATEMENT-2 is NOT the correct explanation of STATEMENT-9

C

If STATEMENT-1 is TRUE and STATEMENT-2 is FALSE

D

If STATEMENT-1 is FALSE and STATEMENT-2 is TRUE

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    NARENDRA AWASTHI ENGLISH|Exercise Level 2|40 Videos

  • STOICHIOMETRY

    NARENDRA AWASTHI ENGLISH|Exercise Match the Colum-II|6 Videos

Similar Questions

Explore conceptually related problems

Statment 1 |Delta_(f)H|" of "(H_(2)O,l)gt|Delta_(f)H|" of "(H_(2)O,g) Statment 2 DeltaH_("condensation") is negative. (a)If both the statements are TRUE and STATEMENT-2 is the correct explanation of STATEMENT-1 (b)If both the statements are TRUE but STATEMENT-2 is NOT the correct explanation of STATEMENT-1 (c)If STATEMENT-1 is TRUE and STATEMENT-2 is FALSE (d)If STATEMENT-1 is FALSE and STATEMENT-2 is TRUE

STATEMENT -1: E_(cell)^(@) is negative for electrolytic cell. STATEMENT-2: /_\G^(@) is +ve for electrolyte cell (a) If both the statements are TRUE and STATEMENTS-2 is the correct explantion of STATEMENTS-1 (b)If both the statements are TRUE but STATEMENTS-2 is NOT the correct explanation of STATEMENTS-1 (c)If STATEMENTS-1 is TRUE and STATEMENTS-2 is FALSE (d)If STATEMENT-1 is FALSE and STATEMENT-2 is TRUE

Statement 1: Leg f(x)=x[x]a n d[dot] denotes the greatest integral function, when x is not an integer, then rule for f^(prime)(x) is given by [x]dot Statement 2: f^(prime)(x) does not exist for any x integer. (a)Both the statements are TRUE and STATEMENT 2 is the correct explanation of STATEMENT 1. (b)Both the statements are TRUE but STATEMENT 2 is NOT the correct explanation of STATEMENT 1. (c)STATEMENT 1 is TRUE and STATEMENT 2 is FALSE. (d)STATEMENT 1 is FALSE and STATEMENT 2 is TRUE.

Each question has four choices, a,b,c and d, out of which only one is correct. Each question contains STATEMENT 1 and STATEMENT 2. (a) If both the statements are TRUE and STATEMENT 2 is the correct explanation of STATEMENT 1. (b) If both the statements are TRUE but STATEMENT 2 is NOT the correct explanation of STATEMENT 1. (c) If STATEMENT 1 is TRUE and STATEMENT 2 is FALSE. (d) If STATEMENT 1 is FALSE and STATEMENT 2 is TRUE. Statement 1: inte^xsinx dx=(e^x)/2(sinx-cosx)+c Statement 2: inte^x(f(x)+f^(prime)(x))dx=e^xf(x)+c

Each question has four choices a, b, c and d, out of which only one is correct. Each question contains STATEMENT 1 and STATEMENT 2. (a)Both the statements are TRUE and STATEMENT 2 is the correct explanation of STATEMENT1. (b)Both the statements are TRUE but STATEMENT 2 is NOT the correct explanation of STATEMENT 1. (c) STATEMENT 1 is TRUE and STATEMENT 2 is FALSE. (d) STATEMENT 1 is FALSE and STATEMENT 2 is TRUE. Statement 1: |a d j(a d j(a d j A))|-|A|^(n-1)^3 , where n is order of matrix Adot Statement 2: |a d jA|=|A|^ndot

Each question has four choices a,b,c and d, out of which only one is correct. Each question contains STATEMENT 1 and STATEMENT 2. If both the statements are TRUE and STATEMENT 2 is the correct explanation of STATEMENT 1 If both the statements are TRUE but STATEMENT 2 is NOT the correct explanation of STATEMENT 1. If STATEMENT 1 is TRUE and STATEMENT 2 is FALSE. If STATEMENT 1 is FALSE and STATEMENT 2 is TRUE. Statement 1 : The area bounded by y=e^x , y=0a n dx=0 is 1 sq. unites. Statement 2 : The area bounded by y=(log)_e x ,x=0,a n dy=0 is 1 sq. units.

Each question has four choices, a,b,c and d, out of which only one is correct. Each question contains STATEMENT 1 and STATEMENT 2. If both the statement are TRUE and STATEMENT 2 is the correct explanation of STATEMENT 1. If both the statements are TRUE but STATEMENT 2 is NOT the correct explanation of STATEMENT 1. If STATEMENT 1 is TRUE and STATEMENT 2 is FLASE. If STATEMENT 1 is FALSE and STATEMENT 2 is TURE. Statement 1: Lagrange mean value theorem is not applicable to f(x)=|x-1|(x-1) Statement 2: |x-1| is not differentiable at x=1.

Each question has four choices a, b, c and d, out of which only one is correct. Each question contains STATEMENT 1 and STATEMENT 2. Both the statements are TRUE and STATEMENT 2 is the correct explanation of STATEMENT1. Both the statements are TRUE but STATEMENT 2 is NOT the correct explanation of STATEMENT 1. STATEMENT 1 is TRUE and STATEMENT 2 is FALSE. STATEMENT 1 is FALSE and STATEMENT 2 is TRUE. Statement 1: |a d j(a d j(a d j A))|=|A|^(n-1)^3 , where n is order of matrix Adot Statement 2: |a d jA|=|A|^ndot

Each question has four choices a, b, c and d, out of which only one is correct. Each question contains STATEMENT 1 and STATEMENT 2. Both the statements are TRUE and STATEMENT 2 is the correct explanation of STATEMENT1. Both the statements are TRUE but STATEMENT 2 is NOT the correct explanation of STATEMENT 1. STATEMENT 1 is TRUE and STATEMENT 2 is FALSE. STATEMENT 1 is FALSE and STATEMENT 2 is TRUE. Statement 1: The value of (^(10)^C_0)+(^(10)C_0+(10)C_1)+(^(10)C_0+(10)C_1+(10)C_2)++(^(10)C_0+(10)C_1+(10)C_2++(10)C_9) is 10 2^9 . Statement 2: ^n C_1+2^n C_2+3^n C_3+ n^n C_n=n2^(n-1) .

Each question has four choices a, b, c and d, out of which only one is correct. Each question contains STATEMENT 1 and STATEMENT 2. Both the statements are TRUE and STATEMENT 2 is the correct explanation of STATEMENT1. Both the statements are TRUE but STATEMENT 2 is NOT the correct explanation of STATEMENT 1. STATEMENT 1 is TRUE and STATEMENT 2 is FALSE. STATEMENT 1 is FALSE and STATEMENT 2 is TRUE. Statement 1: if A ,B ,C are the angles of a triangles and |[1, 1, 1], [ 1+sin A ,1+sinB, 1+sin C], [ sin A+sin^2A, sin B+sin^2B,sin C+sin^2C]|=0 , then triangle may not be equilateral Statement 2: if any two rows of a determinant are the same, then the value of that determinant is zero.

NARENDRA AWASTHI ENGLISH-THERMODYNAMICS-Level 3
  1. There cannot be chemical equilibrium in an open system. There is no...

    Text Solution

    |

  2. Statement -1: The Standard free energy changes of all spontaneously oc...

    Text Solution

    |

  3. Statement -1: Enthalpy and entropy of any elements substance in the st...

    Text Solution

    |

  4. Statement-1: A reaction which is spontaneous and accompained by decrea...

    Text Solution

    |

  5. Assertion (A): May endothermic reactions that are not spontaneous at ...

    Text Solution

    |

  6. Statement-1: Decrease of free energy during the process under constant...

    Text Solution

    |

  7. Statment 1|Delta(f)H|" of "(H(2)O,l)gt|Delta(f)H|" of "(H(2)O,g) S...

    Text Solution

    |

  8. All combustion reactions are exothermic. Enthalpies of products are ...

    Text Solution

    |

  9. Enthalpy of neutralization of CH(3)COOH by NaOH is less than that of H...

    Text Solution

    |

  10. Assertion:-Internal energy of a real gas may change during expansion a...

    Text Solution

    |

  11. Work is a state function which is expressed in joule. work appears ...

    Text Solution

    |

  12. The expansion of a gas into an evacuated space takes place non-spontan...

    Text Solution

    |

  13. A perfect gas undergoes a reversible adiabatic expansion from (300 K, ...

    Text Solution

    |

  14. 5 mole of an ideal gas at temp. T are compressed isothermally from 12 ...

    Text Solution

    |

  15. A diatomic ideal gas is expanded according to PV^(3) = constant, under...

    Text Solution

    |

  16. A heat engine is operating between 500 K to 300 K and it absorbs 10 kc...

    Text Solution

    |

  17. Molar heat capacities at constant pressure for A, B and C are 3, 1.5 a...

    Text Solution

    |

  18. Standard molar enthalpy of combustion of glucose is -2880 kJ. If only ...

    Text Solution

    |

  19. Given C(2)H(2)(g)+H(2)(g)rarrC(2)H(4)(g): DeltaH^(@)=-175 " kJ mol"^(-...

    Text Solution

    |

  20. The integral enthalpies of solution of anhydrous CuSO(4) (s) and hydra...

    Text Solution

    |