Question

Which of the following halides has maximum melting point?

Solution

Correct option is

NaF

NaF has maximum melting point, melting point decreases with increase in size of halide ion and their bond energy get lower.

SIMILAR QUESTIONS

Q1

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:

Q2

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

Q3

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:

Q4

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

Q5

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:

Q6

 

Platinum salt of an organic base contains 32.5% platinum.

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

Q7

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

                                    

                     

The tendency to form electrovalent bond is largest in

Q8

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

Q9

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

Q10

If the electronegativity difference between two atoms A and B is 2.0, then the percentage of covalent character in the molecule is