Question

TSBIE - MODEL PAPER
CHEMISTRY - I
3 Hours
Max.Mai
Question Carries TWO marks.
2 x 10
SECTION - A
What is Lanthanide Contraction? Give one of its consequences
Which of the two ions Ca²+ or Zn2+ is more stable and why?
What is Boltzman's constant? Give its value.
Calculate the weight of 0.1 mole of sodium carh​

Answer 1

Answer:

Ca²+ is more stable because Ca²+ is more than Zn2 +