Question

Which of the following pairs will form the most stable ionic bond?

Solution

Correct option is

Mg and F

The stability of the ionic bond depends upon the lattice energy which is expected to be more between Mg and F due to +2 charge on Mg atom.

SIMILAR QUESTIONS

Q1

0.63 g of a dibasic acid neutralises 100 mL of 0.1 N NaOH solution. Molar mass of dibasic acid is:

Q2

Silver salt of a diabasic acid has 27% silver. Molar mass of dibasic acid is:

Q3

Depression in freezing point of 1 molal urea solution is  Depression in freezing point when 0.18 g of a non-electrolyte is added to 10 g water is  Thus, molar mass of the non-electrolyte is:

Q4

Which of the organic compounds will give red colour in Lassaigne test?

Q5

6 g of the organic compound on heating with NaOH gave  which is neutralised by 200 mL of 1 N HCl. Percentage of nitrogen is:

Q6

Haemoglobin is a chromoprotein having 4 atoms of Fe in each molecule. Analysis showed 0.35% Fe. Hence, its molecular weight is:

Q7

Tyrosine is one of the amino acids present in protein. Its content in protein is 0.22% and its molecular weight is . Lowest molecular weight of protein is:

Q8

 

Platinum salt of an organic base contains 32.5% platinum.

Hence, equivalent weight of the base is: (Pt = 195)

Q9

The electronic structure of four elements A, B, C, D are

                                    

                     

The tendency to form electrovalent bond is largest in

Q10

Elements have electronegativities 1.2 and 3.0, bond formed between them would be