Home
Class 12
CHEMISTRY
The elecron affinity of chlorine is 3. 7...

The elecron affinity of chlorine is `3. 7 eV`. How much energy in kcal is released when `2g` chlorine is completely converted to `cl^-` ion in a gaseous state ?
`(1 eV = 23. 06 kcal "mol"^(-10))`.

A

4.80 kCal

B

5.20 kCal

C

1.50 kCal

D

3.60 kCal

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • NEET MOCK TEST 11

    NTA MOCK TESTS|Exercise CHEMISTRY|45 Videos

  • NEET MOCK TEST 13

    NTA MOCK TESTS|Exercise MCQs (CHEMISTRY)|45 Videos

Similar Questions

Explore conceptually related problems

The electron affinity of chlorine is 3.93v. How much energy in Kcal is released when 2g of chlorine is completely converted to Cl^(-) ion in gaseous state ? (1eV = 23.06 Kcal " mol"^(-1))

The electron gain enthalpy of chlorine 3.7 eV . How much energy in kJ and kcal is released when 1 g of chlorine is converted completely to Cl^(o-) ion in the gaseous state. (1 eV = 96.3 kJ mol^(-1))

The electron affinity of a hypothetical element 'A' is 3eV per atom. How much energy in kcal is released when 10g of 'A' is completely converted of A^(-) ion in a gaseous state ? (1 eV=23" kcal mol"^(-1) , Molar mass of A=30g)

The electron gain enthalpy of chlorine is –349 kJ mol^(–1) . How much energy in kJ is released when 3.55 g of chlorine is converted completely into Cl^(–1) ion in the gaseous state?

How much energy will be released when 10 kg of U^(235) is completely converts into energy :

The electron affinity of bromine (g) is 3.9 eV. How much energy in kJ is released when 10.0 g of bromine is converted completely to Br- in gaseous state? [Given. Atomic mass of Br = 80, 1 eV = 96.3 kJ "mol"^(-1) ].

The Delta_(eg)H^(ɵ) of Br is 3.4 eV . How much energy in kcal is released when 0.8 g of Br (g) is completely converted to Br^(ɵ) (g) ions. (1 eV = 23.06 kcal mol^(1-)) b. The energy released when 10^(7) atoms of I (g) is converted to I^(ɵ) (g) ions, is 5 xx 10^(-13) J . Calculate Delta_(eg)H^(ɵ) of I (g) in (i) eV "atom"^(-1) and (ii) kJ mol^(-1) .

NTA MOCK TESTS-NEET MOCK TEST 12-CHEMISTRY
  1. At 25^(@)C the pH of water is 7. When temperature of water is increase...

    Text Solution

    |

  2. An ether is more volatile than an alcohol having the same molecualr fo...

    Text Solution

    |

  3. The drug used as post operative analgesic in medicine is

    Text Solution

    |

  4. Higher order (gt3) reaction are rare due to :

    Text Solution

    |

  5. Amongst the following , the most stable complex is : (a) [Fe(H(2)O)(...

    Text Solution

    |

  6. Phenol is a weaker acid than acetic acid because:

    Text Solution

    |

  7. Select correct statements (s) :

    Text Solution

    |

  8. Which of the following statement in relation to the hydrogen atom is c...

    Text Solution

    |

  9. Hydrolysis of SiCl(4) gives compound 'X' and HCl on heating to 1000^(@...

    Text Solution

    |

  10. When dry silver chloride is fused with sodium carbonate, we get pure :

    Text Solution

    |

  11. The elecron affinity of chlorine is 3. 7 eV. How much energy in kcal i...

    Text Solution

    |

  12. E is ?

    Text Solution

    |

  13. Calculate the total pressure in a 10 litre cylinder which contains 0.4...

    Text Solution

    |

  14. N(0)//2 atoms of X(g) are converted into X^(+) (g) by energy E(1) . N(...

    Text Solution

    |

  15. Match the following processes of metallurgy with their corresponding o...

    Text Solution

    |

  16. Cow milk is an example of natural emulsion stabilized by

    Text Solution

    |

  17. Only iodine forms hepta-fluroide IF(7), but chlorine and bromine give ...

    Text Solution

    |

  18. The following reaction occurs in the Blast Furnace where ions ore is r...

    Text Solution

    |

  19. Which of the following phosphorus is the most reactive?

    Text Solution

    |

  20. Text Solution

    |