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JEE Revision Plan - Chemistry 7.1

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Question 1

The conjugate base of hydrazoic acid is:

Question 2

In the following reactions, ZnO is respectively acting as a/an:

Question 3

The following equilibrium is established when hydrogen chloride is dissolved in acetic acid

. The set that characterises the conjugate acid-base pairs is -

Question 4

Choose the incorrect statement -

Question 5

At 90 ºC pure water has [H₃O⁺] = 10^–6M. What is the value of K_wat this temperature?

Question 6

Zirconium phosphate

dissociates into three zirconium cations of charge +4 and four phosphate anions of charge -3. If molar solubility of zirconium phosphate is denoted by S and its solubility product by K_sP then which of the following relationship between S and K_sP is correct?

Question 7

pH of a saturated solution of Ba(OH)₂ is 12. The value of solubility product K_sp of Ba (OH)₂ is

Question 8

The concentration of the Ag⁺ ions in a saturated solution of Ag₂C₂O₄is

. The solubility product of Ag₂C₂O₄ is

Question 9

If the gas mixture PCl₅(g)

PCl₃(g)+Cl₂(g) is compressed, then

Question 10

In what manner will the increase in pressure affect the following equilibrium

C(s)+H₂O(g)

CO(g)+H₂(g)

Question 11

For a reaction, the value of K decreases with increase in temperature. Then ΔH would be

Question 12

Copper crystallises in a face-centred cubic lattice with a unit cell length of 361 pm. What is the radius of copper atom in pm?

Question 13

Lithium metal crystallises in a body centred cubic crystal. If the length of the side of the unit cell of lithium is 351 pm, the atomic radius of the lithium will be

Question 14

Sodium has body centered packing. Distance between two nearest atoms is 3.7 A. The lattice parameter is

Question 15

Choose the correct statement with respect to the vapour pressure of a liquid among the following:

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Jul 15JEE & BITSAT