IIT-JEE 2002 Screening | Periodic Table & Periodicity Question 5 | Chemistry

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IIT-JEE 2002 Screening

MCQ (Single Correct Answer)

-0.5

Identify the least stable ion amongst the following

Li^-

Be^-

B^-

C^-

IIT-JEE 2000 Screening

MCQ (Single Correct Answer)

-0.25

The correct order of radii is

N < Be < B

F^- < O^2- < N^3-

Na < Li < K

Fe³⁺ < Fe²⁺ < Fe⁴⁺

IIT-JEE 2000 Screening

MCQ (Single Correct Answer)

-0.25

The correct order of acidic strength is

Cl₂O₇ > SO₂ > P₄O₁₀

CO₂ > N₂O₅ > SO₃

Na₂O > MgO > Al₂O₃

K₂O > CaO > MgO

IIT-JEE 2000 Screening

MCQ (Single Correct Answer)

-0.25

Amongst H₂O, H₂S, H₂Se and H₂Te, the one with the highest boiling point is

H₂O because of hydrogen bonding

H₂Te because of higher molecular weight

H₂S because of hydrogen bonding

H₂Se because of lower molecular weight

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