Question

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

Solution

Correct option is

Covalent

Since, the electronegativity (EN) difference is 3.0 – 1.2 = 1.8, which is less than 1.9, therefore, bond is expected to be covalent.

SIMILAR QUESTIONS

Q1

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

Q2

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:

Q3

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

Q4

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:

Q5

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

Q6

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:

Q7

 

Platinum salt of an organic base contains 32.5% platinum.

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

Q8

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

                                    

                     

The tendency to form electrovalent bond is largest in

Q9

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

Q10

Which of the following halides has maximum melting point?