Description : What is a weak metal ? What are weak metals ?
Last Answer : Metals which are less active than other active metals are called weak metals. If you want to know the details, you can see the metal activity standard in the table.
Description : Out of HCI and CH3COOH, which one is a weak acid and why? Describe an activity to support your answer. -Chemistry
Last Answer : Acetic acid ( CH3COOH) is a weaker acid because it does not dissociate completely into its ions in aqueous solution. Activity: Add zinc metal in HCI and CH3COOH respectively. The hydrogen gas will be evolved ... and light red in CH3COOH which shows HCI is a strong acid and CH3COOH is a weak acid.
Description : What is weak acid ? What is weak acid ?
Last Answer : Acids that are not completely dissolved in water but are partially decomposed, that is, all the acid molecules that do not produce hydrogen ions ( H +) are called weak acids.
Description : The bats can fly in the dark because – (1) They can see the objects in darkness (2) They have weak legs and are likely to be attacked by predators (3) They generate flashes of light (4) They generate ultrasonic sound waves
Last Answer : (3) They generate flashes of light
Description : Bonds formed by the sharing of an electron pair between two atoms are known as - (1) Covalent bonds (2) Ionic bonds (3) Weak bonds (4) None of the above
Last Answer : (1) Covalent bonds Explanation: Bonds which are formed by the sharing of an electron pair between two atoms are known as covalent bonds.
Description : How much is the percentage ionization of an electrolyte to classified is as 'weak electrolyte'?
Last Answer : Ans:
Description : Predict what will happen if intermolecular forces between the molecules are very weak
Last Answer : Ans. When intermolecular forces are very weak , molecules do not cling together t o make liquid and solid.
Description : Alcohols acts as weak bases. Explain.
Last Answer : The oxygen atom of the hydroxyl group has two lone pairs of electrons. Therefore alcohols accept a proton from strong mineral acid to form oxonium ions. Hence act as weak bases.
Description : Which of the following statements is correct about aniline? (a) is weak acid. (b) diazotizes to benzenediazonium chloride when treated with ice-cold nitrous acid. (c) can be nitrated with ... p-nitroaniline. (d) gives an intense green color with a suspension of bleaching powder in water
Last Answer : diazotizes to benzenediazonium chloride when treated with ice-cold nitrous acid.
Description : Which of the following statements is false about aniline? (a) It is a primary aromatic amine. (b) It is a weak base which forms salts with acids. (c) It liberates nitrogen on treatment with ice-cold nitrous acid. (d) It can be prepared by the reduction of nitrobenzene with tin and HCl
Last Answer : It liberates nitrogen on treatment with ice-cold nitrous acid
Description : Amines are generally classified as (a) Weak acids (b) Strong acids (c) Weak bases (d) Strong bases
Last Answer : Weak bases
Description : Which of the following is not a property of thiols (RSH)? (a) They are all solids (b) They can be oxidized to disulfides (c) They have foul odors (d) They are weak acids
Last Answer : They are all solids
Description : Which brief statement most accurately describes why alkenes react the way they do? (a) C=C double bonds are weak. (b) A π bond is lost but a stronger σ bond is gained. (c) C=C double bonds are unstable. (d) C=C π bonds are attacked by nucleophiles.
Last Answer : A π bond is lost but a stronger σ bond is gained.
Description : The noble gases have low boiling points because: w) their ionization potentials are very low x) only weak Van der Waals forces hold the atoms together y) they are produced by the fractional distillation of liquid air z) they have eight electrons in the outer shell
Last Answer : ANSWER: X -- ONLY WEAK VAN DER WAALS FORCES HOLD THE ATOMS TOGETHER