Chemistry Test ...

Which of the following will have the highest value of pK_a ?

Electrical conductance through metals is called metallic or electronic conductance and is due to the movement of electrons. The electronic conductance depends on:

Which of the following contain ionic, coordinate and covalent bonds?

To which block of the periodic table the element with atomic number 56 belongs-

Identify the condensation polymer from the following:

The prosthetic group of haemoglobin is:

Which of the following is a decreasing order of oxidation states of the central atoms?

The following reaction is known as:

When NaOH is added to an aqueous solution containing Zn²⁺ ions, a white precipitate appears which dissolves on adding an excess of NaOH. In the solution, zinc exists in the:

Which of these polymers are co-polymers?

(i) Neoprene

(ii) Buna-N

(iii) Nylon-6,6