Karnataka CET- 2015(Chemistry)

The unit cell crystallographic dimensions, a ≠ b ≠ c, α = γ = 90 and β ≠ 90 is

While charging the lead storage battery, _____

Adenosine is an example of

Orlon has monomeric unit

The two electrons have the following set of quantum numbers
P = 3, 2, − 2, + 1/2
Q = 3, 0, 0, + 1/2
Which of the following statement is true?

H₂O₂ cannot oxidize

On heating with concentrated NaOH solution in an inert atmosphere of CO₂, white phosphorous gives a gas. Which of the following statement is incorrect about the gas?

Sodium metal crystallizes in B.C.C. lattice with edge length of 4.29 Å. The radius of sodium atom is

0.06% (w/v) aqueous solution of urea is isotonic with

In a first order reaction, the concentration of the reactant is reduced to 12.5% in one hour. When was it half completed?

The electrolyte having maximum flocculation value for AgI/Ag⁺ is

Copper is extracted from Copper pyrites by heating in a Bessemer converter. The method is based on the principle that

Which of the following will be able to show geometrical isomerism?

The electronic configuration of Gd⁺² is (at. no. of Gd is 64)

The hydrolysis of optically active 2-bromobutane with aqueous NaOH result in the formation of

The distinguishing test between methanoic acid and ethanoic acid is

In H₂ – O₂ fuel cell the reaction occurring at cathode is

How many ions per molecule are produced in the solution when Mohr salt is dissolved in excess of water?

Glycogen is

Number of possible alkynes with formula C₅H₈ is

Which of the following aqueous solution has the highest freezing point?

Half life period of a first order reaction is 10 min. Starting with initial concentration 12 M, the rate after 20 min is

The salt which responds to dilute and concentrated H₂SO₄ is

On heating potassium permanganate, one of the following compound is not obtained

The formation of cyanohydrins from a ketone is an example of

One of the following is an essential amino acid

The aqueous solution of following salt will have the lowest pH

For one of the element various successive ionization enthalpies (in kJ mol−1) are given below

The element is

0.30 g of an organic compound containing C, H and Oxygen on combustion yields 0.44 g CO₂ and 0.18 g H₂O. If one mol of compound weighs 60, then molecular formula of the compound is

One of the following amide will not undergo Hoffmann bromamide reaction

Cheilosis and digestive disorders are due to the deficiency of

How many Coulombs of electricity are required for the oxidation of one mol of water to dioxygen?

100 cm³ of 1 M CH₃COOH was mixed with 100cm³ of 2 M CH₃OH to form an ester. The change in the initial rate if each solution is diluted with equal volume of water would be

Which of the following colloids cannot be easily coagulated?

The complex ion having minimum magnitude of ∆₀(CFSE) is

The arrangement of following compounds

1. Bromomethane
2. Bromoform
3. Chloromethane
4. Dibromomethane

In the increasing order of their boiling point is

Iodoform can be prepared from all, except

Cryolite is

Which of the following compound of Xenon has pyramidal geometry?

After adding non-volatile solute freezing point of water decreases to – 0.186˚C. Calculate ∆T_b if K_f = 1.86 K kg mol⁻¹ and K_b = 0.521 K kg mol⁻¹

The pair of compound which cannot exist together in solution is

What amount of dioxygen (in gram) contains 1.8 × 10²² molecules?

Using MOT, compare O₂⁺ and O₂^– species and choose the incorrect option

Which of the following is not true?

Arrange the following compounds in the increasing order of their acidic strength

1. M-nitrophenol
2. M-cresol
3. Phenol
4. M-chlorophenol

Acetic acid is treated with Ca(OH)₂ and the product so obtained is subjected to dry distillation. The final product is

The correct statement is

Which of the following compound possesses the “C – H” bond with the lowest bond dissociation energy?

In the presence of HCl, H₂S results the precipitation of Group-2 elements but not Gp-4 elements during qualitative analysis. It is due to

Water softening by Clark’s process uses

An alkali metal hydride (NaH) reacts with diborane in ‘A’ to give a tetrahedral compound ‘B’ which is extensively used as reducing agent in organic synthesis. The compounds ‘A’ and ‘B’ respectively are