JEE Main 2021 (Online) 31st August Evening Shift | d and f Block Elements Question 38 | Chemistry

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JEE Main 2021 (Online) 31st August Evening Shift

MCQ (Single Correct Answer)

-1

The deposition of X and Y on ground surfaces is referred as wet and dry depositions, respectively. X and Y are :

X = Ammonium salts, Y = CO₂

X = SO₂, Y = Ammonium salts

X = Ammonium salts, Y = SO₂

X = CO₂, Y = SO₂

JEE Main 2021 (Online) 31st August Evening Shift

MCQ (Single Correct Answer)

-1

Which one of the following correctly represents the order of stability of oxides, X₂O; (X = halogen)?

Br > Cl > I

Br > I > Cl

Cl > I > Br

I > Cl > Br

JEE Main 2021 (Online) 31st August Morning Shift

MCQ (Single Correct Answer)

-1

In the structure of the dichromate ion, there is a :

linear symmetrical Cr-O-Cr bond.

non-linear symmetrical Cr-O-Cr bond.

linear unsymmetrical Cr-O-Cr bond.

non-linear unsymmetrical Cr-O-Cr bond.

JEE Main 2021 (Online) 25th July Evening Shift

MCQ (Single Correct Answer)

-1

Which one of the following metals forms interstitial hydride easily?

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