Complete Question
The complete question is shown on the first uploaded image
Answer:
The value is
Explanation:
From the question we are told that
The voltage of the cell is 
Generally
is mathematically represented as

Where
is the equilibrium constant for this auto-ionization of water with a value 
Generally the
is mathematically represented as

=> 
=> 
This
is mathematically represented as

Where n is the number of moles which in this question is n = 1
So

=> 
So
=>
=>
The correct option is this: THE THREAD THAT CONNECTS THE PEARLS IS LIKE AN IONIC BOND.
The type of bond that connect polymers is not ionic bond. Polymers are made up of non metals and carbon is the most common element in polymers. Molecules in polymers are usually connected together by covalent bonds.