AIEEE 2007 | p-Block Elements Question 161 | Chemistry

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AIEEE 2007

MCQ (Single Correct Answer)

-1

Regular use of which of the following fertilizer increases the acidity of soil?

Potassium nitrate

Urea

Superphosphate of lime

Ammonium sulphate

AIEEE 2007

MCQ (Single Correct Answer)

-1

Identify the incorrect statement among the following

Ozone reacts with SO₂ to give SO₃

Silicon reacts with NaOH_(aq) in the presence of air to give Na₂SiO₃ and H₂O

Cl₂ reacts with excess of NH₃ to give N₂ and HCl

Br₂ reacts with hot and strong NaOH solution to give NaBr, NaBrO₄ and H₂O

AIEEE 2006

MCQ (Single Correct Answer)

-1

The increasing order of the first ionization enthalpies of the elements B, P, S and F (lowest first) is

F < S < P < B

P < S < B < F

B < P < S < F

B < S < P < F

AIEEE 2006

MCQ (Single Correct Answer)

-1

Which of the following statements is true?

H₃PO₃ is a stronger acid than H₂SO₃

In aqueous medium HF is a stronger acid than HCl

HClO₄ is a weaker acid than HClO₃

HNO₃ is a stronger acid than HNO₂

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