Consider the following statements,
I. Among halide ions, iodine is the most powerful reducing agent.
II. HOCl is stronger acid than HOBr.
III. HF is stronger acid than HCl.
IV. Fluorine is the only halogen that does not show variable oxidation states.
The correct set of statements is

Consider the following statements I. BBr_(3) is stronger acid than BF_(3) . II. ppi-ppi back bonding occurs in the haldies of aluminium. III. Borazine is less reactive than boron. IV. Al is unstable in air and water. The set of incorrect statement is

Indicate whether the following statements are true or false. Explain your answer in brief. (i) The decreasing order of electron affinity of F, Cl, Br is FgtClgtBr . (ii) HBr is stronger acid than Hl because of hydrogen bonding.

Indicate whether the following statements are true or false. Explain your answer in brief. (i) The decreasing order of electron affinity of F, Cl, Br is FgtClgtBr. (ii) HBr is stronger acid than Hl because of hydrogen bonding.

Which of the following statements are correct? 1. A sigma bond is stronger than a pi bond 2. A covalent bond is stronger than a hydrrogen bond 3. HF is more polar than HCl 4. There is one electrovalent bond and three covalent bonds in methylene chloride Select the correct answer using the codes given below

Which of the following statements are correct? 1. A sigma bond is stronger than a pi bond 2. A covalent bond is stronger than a hydrrogen bond 3. HF is more polar than HCl 4. There is one electrovalent bond and three covalent bonds in methylene chloride Select the correct answer using the codes given below

Consider the following statements I.The electronegativity of fluorine is more than that of chlorine II.The electronegativity of nitrogen is more than that of oxygen Choose the correct option

How will you account for the following : (i) HI is a stronger acid than HF. (ii) The electron affinity of fluorine is less than that of chlorine.

Consider the following statements: (I) Li^(+) (aq) is greater in size than Cs^(+) (aq) (II) H - F is more thermal stable than HI. maleic acid is more acidic than fumaric acid. The correct statements are -

Which of the following statements are wrong (I) Bi^(3+) is more stable than Bi^(5+) (II) Mn shows +8 oxidation state (III) The oxidation state of an element is always less than or equal to its group number (IV) s-block elements show variable oxidation states The answer is

Explain the following : (i) Choloro acetic acid is stronger acid than acetic acid. (ii) Fluoro acetic acid is stronger acid than chloro acetic acid. (iii) Formic acid is stronger acid than acetic acid.