Home
Class 12
CHEMISTRY
Three elements X , Y and Z have atomic n...

Three elements X , Y and Z have atomic numbers 19 , 37 and 55 respectively . Then the correct statements (s) is / are

A

Their ionisation potential would increase with increasing atomic numbers

B

Y would have an ionisation potential between those X and Y

C

Y would have the highest ionisation potential

D

Z would have the highest ionisation potential

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ORGANIC COMPOUNDS CONTAINING NITROGEN

    NARAYNA|Exercise EXERCISE-4|30 Videos

  • POLYMERS

    NARAYNA|Exercise EXERCISE -4|8 Videos

Similar Questions

Explore conceptually related problems

Three elements 'X', 'Y' and 'Z' have atomic numbers 18, 19 and 20 respectively. How many electrons are present in the M shell of these elements?

Three elements X, Y and Z have atomic numbers 22, 40 and 72, respectively. Comment on the trend of change in ionisation potential values from X to Y and Y to Z.

Three elements 'X', 'Y' and 'Z' have atomic numbers 7, 8 and 9 respectively. (a) State their positions (Group number and period number both) in the Modern Periodic Table. (b) Arrange these elements in the decreasing order of their atomic radii. (c) Write the formula of the compound formed when 'X' combines with 'Z'.

NARAYNA-PERIODIC TABLE -All Questions
  1. Aqueous solution of two compounds M(1) - O - H and M(2) - O - H are pr...

    Text Solution

    |

  2. The correct order of the first ionisation potentials is

    Text Solution

    |

  3. Three elements X , Y and Z have atomic numbers 19 , 37 and 55 respecti...

    Text Solution

    |

  4. Which of the following pairs is chemically similar ?

    Text Solution

    |

  5. The statement which is not correct for periodic classification of elem...

    Text Solution

    |

  6. Be and Mg have zero values of electron affinity because

    Text Solution

    |

  7. The percentage ionic character in H-Br bond in HBr molecule is "", giv...

    Text Solution

    |

  8. Which one of the following arrangements is the incorrect representatio...

    Text Solution

    |

  9. The C-C single bond length is 1.54 A^(@) and that of Cl-Cl is 1.98 A^(...

    Text Solution

    |

  10. The transition elements (d-blocks elements) show variable oxidation st...

    Text Solution

    |

  11. The correct order of electron affinity of B , C , N and O is

    Text Solution

    |

  12. The electronegativity of oxygen and an element A on Pauling 's scale a...

    Text Solution

    |

  13. The IE(1) of Cs is 376 kj/mole . The number of Cs atoms that can be co...

    Text Solution

    |

  14. It has been found that the atoms combine to form bonds in order to kee...

    Text Solution

    |

  15. A' Chloride of an element gives neutral solution in water . In the per...

    Text Solution

    |

  16. The correct order of radii is:

    Text Solution

    |

  17. The incorrect statement Among the following is A)The first ionisation...

    Text Solution

    |

  18. The decreasing order of the second ionisation potential of K , Ca and ...

    Text Solution

    |

  19. In the descending order of a group in the periodic table which of the ...

    Text Solution

    |

  20. Which of the following represents second ionization potential ?

    Text Solution

    |