In the molecule CO, there is a coordinate covalent bond. Which atom donates the electron pair?
A. Carbon
B. Neither; it's ionic
C. Both share equally
D. Oxygen
Answer: Option D
Solution (By JKSSB Mock Tests)
Carbon monoxide (CO) has a triple bond. In the formation, oxygen, with two lone pairs, donates one lone pair to form a coordinate bond with carbon after normal double bond formation, resulting in a structure :C≡O:. Thus oxygen donates the pair. This satisfies the octet for both.
Explanation:
Silk is a natural protein fiber obtained from silkworm cocoons. Nylon, polyester, acrylic are synthetic polymers derived from petrochemicals.
Explanation:
Catalytic poisoning occurs when a substance (a catalytic poison) binds strongly to the active sites of a catalyst, blocking reactants from adsorbing and thereby destroying or reducing its catalytic activity. Arsenic acts as a poison for the iron catalyst used in the Haber process for ammonia synthesis.
Explanation:
Soap molecules have a hydrophilic ionic head (COO⁻Na⁺) and a long hydrophobic hydrocarbon tail. In water, the tails aggregate away from water, forming a spherical micelle with heads outward. The hydrophobic core dissolves oily dirt, which is then washed away. This structure is stabilized by ion-dipole interactions. Detergents work similarly but with different head groups.
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