JEE Main 2016 (Online) 10th April Morning Slot | Hydrogen Question 69 | Chemistry

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JEE Main 2016 (Online) 10th April Morning Slot

MCQ (Single Correct Answer)

-1

Identify the reaction which does not liberate hydrogen :

Reaction of zinc with aqueous alkali.

Electrolysis of acidified water using Pt electrodes.

Allowing a solution of sodium in liquid ammonia to stand.

Reaction of lithium hydride with B₂H₆.

JEE Main 2016 (Online) 9th April Morning Slot

MCQ (Single Correct Answer)

-1

Identify the incorrect statement regarding heavy water :

It reacts with Al₄C₃ to produce CD₄ and Al(OD)₃ .

It is used as a coolant in nuclear reactors.

It reacts with CaC₂ to produce C₂D₂ and Ca(OD)₂ .

It reacts with SO₃ to form deuterated sulphuric acid (D₂SO₄).

JEE Main 2016 (Offline)

MCQ (Single Correct Answer)

-1

Which one of the following statements about water is FALSE?

Water is oxidized to oxygen during photosynthesis

Water can act both as an acid and as a base.

There is extensive intramolecular hydrogen bonding in the condensed phase.

Ice formed by heavy water sinks in normal water

JEE Main 2015 (Offline)

MCQ (Single Correct Answer)

-1

The molecular formula of a commercial resin used for exchanging ions in water softening is C₈H₇SO₃Na (Mol. Wt. 206). What would be the maximum uptake of Ca²⁺ ions by the resin when expressed in mole per gram resin?

2/309

1/412

1/103

1/206

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